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Support both Python2 and Python3 in the failed-syscalls-by-pid.py script
There may be differences in the ordering of output lines due to
differences in dictionary ordering etc. However the format within lines
should be unchanged.
The use of 'from __future__' implies the minimum supported Python2 version
is now v2.6
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/r/20190222230619.17887-5-tonyj@suse.de
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Support both Python2 and Python3 in the netdev-times.py script
There may be differences in the ordering of output lines due to
differences in dictionary ordering etc. However the format within lines
should be unchanged.
The use of 'from __future__' implies the minimum supported Python2
version is now v2.6.
Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Sanagi Koki <sanagi.koki@jp.fujitsu.com>
Link: http://lkml.kernel.org/r/20190222230619.17887-2-tonyj@suse.de
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add a new report to display top calls by elapsed time. It displays calls
in descending order of time elapsed between when the function was called
and when it returned.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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If no selection is made on the 'Selected branches' dialog, then the
output is the same as the 'All branches' report. That is not really an
error, and is not desirable for future reports, so remove it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Remove SQLTableDialogDataItem as it is no longer used.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Create new dialog data item classes to replace SQLTableDialogDataItem.
This separates out different dialog data items and makes it easier to
add new ones. SQLTableDialogDataItem is removed in a separate patch
because it makes the diff more readable.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The report name is a report variable so move it into into ReportVars.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Factor out ReportVars to provide a single container for information from
report dialogs.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Factor out ReportDialogBase so it can be re-used.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Move column headers from SQLAutoTableModel into SQLTableModel so that
they can be used for other models based on SQLTableModel.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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calls table
The Call Graph depends on the calls table which is optional when exporting
data, so hide the Call Graph option if there is no calls table.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Remove leftover debugging prints.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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exported-sql-viewer.py is a standalone python script and requires a
shebang. Also only python2 is supported at present. Restore the shebang
but use the more flexible 'env' form.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Fixes: a38352de4495 ("perf script python: Remove explicit shebang from Python script")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Rename build libperf to perf, because it's used to build perf.
The libperf build object name will be used for libperf library.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190213123246.4015-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The compiler might optimize a call/ret combination by making it a jmp.
However the thread-stack does not presently cater for that, so that such
control flow is not visible in the call graph. Make it visible by
recording on the stack a branch to the start of a different symbol.
Note, that means when a ret pops the stack, all jmps must be popped off
first.
Example:
$ cat jmp-to-fn.c
__attribute__((noinline)) int bar(void)
{
return -1;
}
__attribute__((noinline)) int foo(void)
{
return bar() + 1;
}
int main()
{
return foo();
}
$ gcc -ggdb3 -Wall -Wextra -O2 -o jmp-to-fn jmp-to-fn.c
$ objdump -d jmp-to-fn
<SNIP>
0000000000001040 <main>:
1040: 31 c0 xor %eax,%eax
1042: e9 09 01 00 00 jmpq 1150 <foo>
<SNIP>
0000000000001140 <bar>:
1140: b8 ff ff ff ff mov $0xffffffff,%eax
1145: c3 retq
<SNIP>
0000000000001150 <foo>:
1150: 31 c0 xor %eax,%eax
1152: e8 e9 ff ff ff callq 1140 <bar>
1157: 83 c0 01 add $0x1,%eax
115a: c3 retq
<SNIP>
$ perf record -o jmp-to-fn.perf.data -e intel_pt/cyc/u ./jmp-to-fn
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0,017 MB jmp-to-fn.perf.data ]
$ perf script -i jmp-to-fn.perf.data --itrace=be -s ~/libexec/perf-core/scripts/python/export-to-sqlite.py jmp-to-fn.db branches calls
2019-01-08 13:24:58.783069 Creating database...
2019-01-08 13:24:58.794650 Writing records...
2019-01-08 13:24:59.008050 Adding indexes
2019-01-08 13:24:59.015802 Done
$ ~/libexec/perf-core/scripts/python/exported-sql-viewer.py jmp-to-fn.db
Before:
main
-> bar
After:
main
-> foo
-> bar
Committer testing:
Install the python2-pyside package, then select these menu options
on the GUI:
"Reports"
"Context sensitive callgraphs"
Then go on expanding the symbols, to get, full picture when doing this
on a fedora:29 with gcc version 8.2.1 20181215 (Red Hat 8.2.1-6) (GCC):
jmp-to-fn
PID:TID
_start (ld-2.28.so)
__libc_start_main
main
foo
bar
To verify that indeed, this fixes the problem.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20190109091835.5570-5-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The scripts in scripts/python are intended to be run from 'perf script'
and the Python version used is dictated by how perf was built (PYTHON=).
Also most distros follow pep-0394 which recommends that /usr/bin/python
refer to Python2 and so may not exist on the system (if PYTHON=python3).
- Remove the explicit shebang
- Install the scripts as mode 644
Signed-off-by: Tony Jones <tonyj@suse.de>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20190124005229.16146-6-tonyj@suse.de
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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re-ordered
Table rows can be re-ordered by selecting a column to sort by. After
re-ordering, the "find" operation was highlighting the wrong row, fix
it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181104151238.15947-5-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add a window to display help. It is also possible to display the help
only, by using the option "--help-only" instead of a database name.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181104151238.15947-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Fetching data from the database can be slow. Add a report that provides
the ability to select a subset of branches.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181104151238.15947-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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/usr/local/lib/libxed.so
Fall back to /usr/local/lib/libxed.so to cater for distributions that do
not have /usr/local/lib in the library path by default.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181104151238.15947-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add a report to display branches in a similar fashion to perf script. The
main purpose of this report is to display disassembly, however, presently,
the only supported disassembler is Intel XED, and additionally the object
code must be present in perf build ID cache.
To use Intel XED, libxed.so must be present. To build and install
libxed.so:
git clone https://github.com/intelxed/mbuild.git mbuild
git clone https://github.com/intelxed/xed
cd xed
./mfile.py --share
sudo ./mfile.py --prefix=/usr/local install
sudo ldconfig
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181023075949.18920-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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database tables
Displaying all the database tables can help make the database easier to
understand.
Committer testing:
Opened all the tables, even the sqlite master table, which I selected
everything and used control+C, lets see if it works...
CREATE VIEW threads_view AS SELECT id,machine_id,(SELECT host_or_guest FROM machines_view WHERE id = machine_id) AS host_or_guest,process_id,pid,tid FROM threads
Humm, nope, just one of the cells got copied, even with everything selected :-)
Anyway, works as advertised, useful for perusing the data.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-17-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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font
Shrinking the font allows more information to display.
Committer testing:
Works, tested with the convenient Control+Shift+'+' and Control+'-' as
well with the more cumbersome top menu "Edit" + "Enlarge/Shrink font"
options.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-16-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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the call-graph
Add a Find bar that appears at the bottom of the call-graph window.
Committer testing:
Using:
python tools/perf/scripts/python/exported-sql-viewer.py pt_example branches calls
Using the database built in the first "Committer Testing" section in
this patch series I was able to:
"Reports"
"Context-Sensitive Call Graphs"
Control+F or select "Edit" in the top menu then "Find"
__poll<ENTER>
and find the first place where the "__poll" function appears, then
press the down arrow in the lower right corner and go to the next, etc.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-15-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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sub-windows
Use Qt MDI (multiple document interface) to support multiple sub-windows.
Put the data model in a cache so that each sub-window can share the same
data. This allows mutiple views of the call-graph at the same time and
paves the way to add more reports.
Committer testing:
Starts with a "File Reports Windows" main menu, from the "Reports" I
can get what was available up to now, the "Context-Sensitivi Call Graph"
option.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-14-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Additional reports will be added to the script so rename to reflect the
more general purpose.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-13-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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class TreeItem represents items at all levels of the call-graph tree.
However, not all the levels represent the same data i.e. the top-level is
comms, the next level is threads, and subsequent levels are functions.
Consequently it is simpler to have separate classes for different levels
with commonality in a base class. Refactor TreeItem class accordingly.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-12-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add helper functions for a few common cases.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-11-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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TreeModel
Factor out CallGraphModel from TreeModel, which paves the way to reuse
TreeModel in future reports.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-10-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The object name is never used, so don't bother setting it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-9-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Keep global data in a single object that is easy to pass around as
needed, without polluting the global namespace.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-8-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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into a class
Separate the database details into a class that can provide different
connections using the same connection information. That paves the way
for sub-processes that require their own connection.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-7-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Make a "Main" function so that the variables used do not pollute the global
namespace.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-6-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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There are not many standard icons, but the computer icon looks slightly
better than the information icon.
Committer testing:
Noticed the change on the icon on the gnome menu right next to the
"Activities" menu, looks nicer indeed.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-5-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Prevent weirdly small window size.
Committer testing:
Seems to work, but even before this patch, on my system, it always
started with:
xwininfo: Window id: 0x1e00002 "Call Graph: pt_example"
<SNIP>
Width: 800
Height: 600
<SNIP>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Set initial column sizes to improve initial display.
Committer testing:
Extended instructions on testing this, using the sqlite variant:
Make sure you have the SQLite glue for python+Qt installed, on fedora 27
I used:
# dnf install python-pyside
Collect some PT samples, say 5-secs worth, system wide:
# perf record -r 10 -e intel_pt//u -a sleep 5
[ perf record: Woken up 49 times to write data ]
[ perf record: Captured and wrote 96.131 MB perf.data ]
This results in this perf.data file:
# ls -larth perf.data
-rw-------. 1 root root 97M Oct 23 10:11 perf.data
With the following attributes:
# perf evlist -v
intel_pt//u: type: 8, size: 112, config: 0x300e601, { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|CPU|IDENTIFIER, read_format: ID, disabled: 1, inherit: 1, exclude_kernel: 1, exclude_hv: 1, sample_id_all: 1
dummy:u: type: 1, size: 112, config: 0x9, { sample_period, sample_freq }: 1, sample_type: IP|TID|TIME|CPU|IDENTIFIER, read_format: ID, inherit: 1, exclude_kernel: 1, exclude_hv: 1, mmap: 1, comm: 1, task: 1, sample_id_all: 1, mmap2: 1, comm_exec: 1, context_switch: 1
#
Then generate the "pt_example" tables using:
# perf script -s ~/libexec/perf-core/scripts/python/export-to-sqlite.py pt_example branches calls
2018-10-23 10:56:59.177711 Creating database...
2018-10-23 10:56:59.195842 Writing records...
instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x263984516750 code 5: Failed to get instruction
instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x7f26e116fd20 code 6: Trace doesn't match instruction
instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x7f26e162c9ee code 6: Trace doesn't match instruction
instruction trace error type 1 cpu 2 pid 1644 tid 1644 ip 0x7f26e9ce831a code 6: Trace doesn't match instruction
<SNIP>
instruction trace error type 1 cpu 0 pid 1644 tid 1644 ip 0x7f26e13d07b4 code 6: Trace doesn't match instruction
Warning:
132 instruction trace errors
2018-10-23 11:25:25.015717 Adding indexes
2018-10-23 11:25:28.788061 Done
#
In my example, that perf.data file generated this db:
# file pt_example
pt_example: SQLite 3.x database, last written using SQLite version 3020001
[root@seventh perf]# ls -lah pt_example
-rw-r--r--. 1 root root 6.6G Oct 23 11:25 pt_example
#
Then use this python script to use that db and provide a GUI:
$ python tools/perf/scripts/python/call-graph-from-sql.py pt_example branches calls
I compared the column widths before this patch and after applying it,
the visual results match the patch intent.
The following patches will refer to this set of instructions in the "Committer
Testing" section.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Use SPDX license identifier in call-graph-from-sql.py.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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With the "branches" export option, not all sample columns are exported.
However the unwanted columns are not at the end of the tuple, as assumed
by the code. Fix by taking the first 15 and last 3 values, instead of
the first 18.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20180911114504.28516-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Occasional export failures were found to be caused by truncating 64-bit
pointers to 32-bits. Fix by explicitly setting types for all ctype
arguments and results.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20180911114504.28516-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Support both Python 2 and Python 3 in EventClass.py. ``print`` is now a
function rather than a statement. This should have no functional change.
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/0100016341a73aac-e0734bdc-dcab-4c61-8333-d8be97524aa0-000000@email.amazonses.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Support both Python 2 and Python 3 in the sched-migration.py script.
This should have no functional change.
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/0100016341a737a5-44ec436f-3440-4cac-a03f-ddfa589bf308-000000@email.amazonses.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Support both Python 2 and Python 3 in Util.py. The dict class no longer
has a ``has_key`` method and print is now a function rather than a
statement. This should have no functional change.
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/0100016341a730c6-8db8b9b1-da2d-4ee3-96bf-47e0ae9796bd-000000@email.amazonses.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Fix a single syntax error in SchedGui.py to support both Python 2 and
Python 3. This should have no functional change.
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/0100016341a72d26-75729663-fe55-4309-8c9b-302e065ed2f1-000000@email.amazonses.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Support both Python 2 and Python 3 in Core.py. This should have no
functional change.
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/0100016341a72ebe-e572899e-f445-4765-98f0-c314935727f9-000000@email.amazonses.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Add python script to show hypervisor call statistics. Ex,
# perf record -a -e "{powerpc:hcall_entry,powerpc:hcall_exit}"
# perf script -s scripts/python/powerpc-hcalls.py
hcall count min(ns) max(ns) avg(ns)
--------------------------------------------------------------------
H_RANDOM 82 838 1164 904
H_PUT_TCE 47 1078 5928 2003
H_EOI 266 1336 3546 1654
H_ENTER 28 1646 4038 1952
H_PUT_TCE_INDIRECT 230 2166 18168 6109
H_IPI 238 1072 3232 1688
H_SEND_LOGICAL_LAN 42 5488 21366 7694
H_STUFF_TCE 294 986 6210 3591
H_XIRR 266 2286 6990 3783
H_PROTECT 10 2196 3556 2555
H_VIO_SIGNAL 294 1028 2784 1311
H_ADD_LOGICAL_LAN_BUFFER 53 1978 3450 2600
H_SEND_CRQ 77 1762 7240 2447
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20180605124801.17210-1-ravi.bangoria@linux.ibm.com
[ Fixup typo: table_loockup -> table_lookup ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Added Python 3 support while keeping Python 2.7 compatibility.
Committer notes:
This doesn't make it to auto detect python 3, one has to explicitely ask
it to build with python 3 devel files, here are the instructions
provided by Jaroslav:
---
$ cp -a tools/perf tools/python3-perf
$ make V=1 prefix=/usr -C tools/perf PYTHON=/usr/bin/python2 all
$ make V=1 prefix=/usr -C tools/python3-perf PYTHON=/usr/bin/python3 all
$ make V=1 prefix=/usr -C tools/python3-perf PYTHON=/usr/bin/python3 DESTDIR=%{buildroot} install-python_ext
$ make V=1 prefix=/usr -C tools/perf PYTHON=/usr/bin/python2 DESTDIR=%{buildroot} install-python_ext
---
We need to make this automatic, just like the existing tests for checking if
the python2 devel files are in place, allowing the build with python3 if
available, fallbacking to python2 and then just disabling it if none are
available.
So, using the PYTHON variable to build it using O= we get:
Before this patch:
$ rpm -q python3 python3-devel
python3-3.6.4-7.fc27.x86_64
python3-devel-3.6.4-7.fc27.x86_64
$ rm -rf /tmp/build/perf/ ; mkdir -p /tmp/build/perf ; make O=/tmp/build/perf PYTHON=/usr/bin/python3 -C tools/perf install-bin
make: Entering directory '/home/acme/git/linux/tools/perf'
<SNIP>
Makefile.config:670: Python 3 is not yet supported; please set
Makefile.config:671: PYTHON and/or PYTHON_CONFIG appropriately.
Makefile.config:672: If you also have Python 2 installed, then
Makefile.config:673: try something like:
Makefile.config:674:
Makefile.config:675: make PYTHON=python2
Makefile.config:676:
Makefile.config:677: Otherwise, disable Python support entirely:
Makefile.config:678:
Makefile.config:679: make NO_LIBPYTHON=1
Makefile.config:680:
Makefile.config:681: *** . Stop.
make[1]: *** [Makefile.perf:212: sub-make] Error 2
make: *** [Makefile:110: install-bin] Error 2
make: Leaving directory '/home/acme/git/linux/tools/perf'
$
After:
$ make O=/tmp/build/perf PYTHON=python3 -C tools/perf install-bin
$ ldd ~/bin/perf | grep python
libpython3.6m.so.1.0 => /lib64/libpython3.6m.so.1.0 (0x00007f58a31e8000)
$ rpm -qf /lib64/libpython3.6m.so.1.0
python3-libs-3.6.4-7.fc27.x86_64
$
Now verify that when using the binding the right ELF file is loaded,
using perf trace:
$ perf trace -e open* perf test python
0.051 ( 0.016 ms): perf/3927 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC ) = 3
<SNIP>
18: 'import perf' in python :
8.849 ( 0.013 ms): sh/3929 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC ) = 3
<SNIP>
25.572 ( 0.008 ms): python3/3931 openat(dfd: CWD, filename: /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so, flags: CLOEXEC) = 3
<SNIP>
Ok
<SNIP>
$
And using tools/perf/python/twatch.py, to show PERF_RECORD_ metaevents:
$ python3 tools/perf/python/twatch.py
cpu: 3, pid: 16060, tid: 16060 { type: fork, pid: 5207, ppid: 16060, tid: 5207, ptid: 16060, time: 10798513015459}
cpu: 3, pid: 16060, tid: 16060 { type: fork, pid: 5208, ppid: 16060, tid: 5208, ptid: 16060, time: 10798513562503}
cpu: 0, pid: 5208, tid: 5208 { type: comm, pid: 5208, tid: 5208, comm: grep }
cpu: 2, pid: 5207, tid: 5207 { type: comm, pid: 5207, tid: 5207, comm: ps }
cpu: 2, pid: 5207, tid: 5207 { type: exit, pid: 5207, ppid: 5207, tid: 5207, ptid: 5207, time: 10798551337484}
cpu: 3, pid: 5208, tid: 5208 { type: exit, pid: 5208, ppid: 5208, tid: 5208, ptid: 5208, time: 10798551292153}
cpu: 3, pid: 601, tid: 601 { type: fork, pid: 5209, ppid: 601, tid: 5209, ptid: 601, time: 10801779977324}
^CTraceback (most recent call last):
File "tools/perf/python/twatch.py", line 68, in <module>
main()
File "tools/perf/python/twatch.py", line 40, in main
evlist.poll(timeout = -1)
KeyboardInterrupt
$
# ps ax|grep twatch
5197 pts/8 S+ 0:00 python3 tools/perf/python/twatch.py
# ls -la /proc/5197/smaps
-r--r--r--. 1 acme acme 0 Feb 19 13:14 /proc/5197/smaps
# grep python /proc/5197/smaps
558111307000-558111309000 r-xp 00000000 fd:00 3151710 /usr/bin/python3.6
558111508000-558111509000 r--p 00001000 fd:00 3151710 /usr/bin/python3.6
558111509000-55811150a000 rw-p 00002000 fd:00 3151710 /usr/bin/python3.6
7ffad6fc1000-7ffad7008000 r-xp 00000000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so
7ffad7008000-7ffad7207000 ---p 00047000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so
7ffad7207000-7ffad7208000 r--p 00046000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so
7ffad7208000-7ffad7215000 rw-p 00047000 00:2d 220196 /tmp/build/perf/python/perf.cpython-36m-x86_64-linux-gnu.so
7ffadea77000-7ffaded3d000 r-xp 00000000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0
7ffaded3d000-7ffadef3c000 ---p 002c6000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0
7ffadef3c000-7ffadef42000 r--p 002c5000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0
7ffadef42000-7ffadefa5000 rw-p 002cb000 fd:00 3151795 /usr/lib64/libpython3.6m.so.1.0
#
And with this patch, but building normally, without specifying the
PYTHON=python3 part, which will make it use python2 if its devel files are
available, like in this test:
$ make O=/tmp/build/perf -C tools/perf install-bin
$ ldd ~/bin/perf | grep python
libpython2.7.so.1.0 => /lib64/libpython2.7.so.1.0 (0x00007f6a44410000)
$ ldd /tmp/build/perf/python_ext_build/lib/perf.so | grep python
libpython2.7.so.1.0 => /lib64/libpython2.7.so.1.0 (0x00007fed28a2c000)
$
[acme@jouet perf]$ tools/perf/python/twatch.py
cpu: 0, pid: 2817, tid: 2817 { type: fork, pid: 2817, ppid: 2817, tid: 8910, ptid: 2817, time: 11126454335306}
cpu: 0, pid: 2817, tid: 2817 { type: comm, pid: 2817, tid: 8910, comm: worker }
$ ps ax | grep twatch.py
8909 pts/8 S+ 0:00 /usr/bin/python tools/perf/python/twatch.py
$ grep python /proc/8909/smaps
5579de658000-5579de659000 r-xp 00000000 fd:00 3156044 /usr/bin/python2.7
5579de858000-5579de859000 r--p 00000000 fd:00 3156044 /usr/bin/python2.7
5579de859000-5579de85a000 rw-p 00001000 fd:00 3156044 /usr/bin/python2.7
7f0de01f7000-7f0de023e000 r-xp 00000000 00:2d 230695 /tmp/build/perf/python/perf.so
7f0de023e000-7f0de043d000 ---p 00047000 00:2d 230695 /tmp/build/perf/python/perf.so
7f0de043d000-7f0de043e000 r--p 00046000 00:2d 230695 /tmp/build/perf/python/perf.so
7f0de043e000-7f0de044b000 rw-p 00047000 00:2d 230695 /tmp/build/perf/python/perf.so
7f0de6f0f000-7f0de6f13000 r-xp 00000000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so
7f0de6f13000-7f0de7113000 ---p 00004000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so
7f0de7113000-7f0de7114000 r--p 00004000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so
7f0de7114000-7f0de7115000 rw-p 00005000 fd:00 134975 /usr/lib64/python2.7/lib-dynload/_localemodule.so
7f0de7e73000-7f0de8052000 r-xp 00000000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0
7f0de8052000-7f0de8251000 ---p 001df000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0
7f0de8251000-7f0de8255000 r--p 001de000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0
7f0de8255000-7f0de8291000 rw-p 001e2000 fd:00 3173292 /usr/lib64/libpython2.7.so.1.0
$
Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
LPU-Reference: 20180119205641.24242-1-jskarvad@redhat.com
Link: https://lkml.kernel.org/n/tip-8d7dt9kqp83vsz25hagug8fu@git.kernel.org
[ Removed explicit check for python version, allowing it to really build with python3 ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
There could be different types of memory in the system. E.g normal
System Memory, Persistent Memory. To understand how the workload maps to
those memories, it's important to know the I/O statistics of them. Perf
can collect physical addresses, but those are raw data. It still needs
extra work to resolve the physical addresses. Provide a script to
facilitate the physical addresses resolving and I/O statistics.
Profile with MEM_INST_RETIRED.ALL_LOADS or MEM_UOPS_RETIRED.ALL_LOADS
event if any of them is available.
Look up the /proc/iomem and resolve the physical address. Provide
memory type summary.
Here is an example output:
# perf script report mem-phys-addr
Event: mem_inst_retired.all_loads:P
Memory type count percentage
---------------------------------------- ----------- -----------
System RAM 74 53.2%
Persistent Memory 55 39.6%
N/A
---
Changes since V2:
- Apply the new license rules.
- Add comments for globals
Changes since V1:
- Do not mix DLA and Load Latency. Do not compare the loads and stores.
Only profile the loads.
- Use event name to replace the RAW event
Signed-off-by: Kan Liang <Kan.liang@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lkml.kernel.org/r/1515099595-34770-1-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
Add support for SQLite 3 to the call-graph-from-sql.py script. The SQL
statements work as is, so just detect the database type by checking if the
SQLite 3 file exists.
Committer notes:
Tested collecting the PT data on a RHEL7.4, generating the SQLite3
database there and then moving it to a Fedora 26 system where the
call-graph-from-sql.py script was run, using python-pyside version
1.2.2-7fc26 to see the callgraphs using Qt4.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: http://lkml.kernel.org/r/1501749090-20357-6-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
call-graph-from-sql.py
Rename call-graph-from-postgresql.py to call-graph-from-sql.py in
preparation for adding support to it for SQLite 3.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: http://lkml.kernel.org/r/1501749090-20357-5-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|