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2019-06-27xsk: Add getsockopt XDP_OPTIONSMaxim Mikityanskiy1-0/+8
Make it possible for the application to determine whether the AF_XDP socket is running in zero-copy mode. To achieve this, add a new getsockopt option XDP_OPTIONS that returns flags. The only flag supported for now is the zero-copy mode indicator. Signed-off-by: Maxim Mikityanskiy <[email protected]> Signed-off-by: Tariq Toukan <[email protected]> Acked-by: Saeed Mahameed <[email protected]> Acked-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
2019-06-27iio: iio-utils: Fix possible incorrect mask calculationBastien Nocera1-2/+2
On some machines, iio-sensor-proxy was returning all 0's for IIO sensor values. It turns out that the bits_used for this sensor is 32, which makes the mask calculation: *mask = (1 << 32) - 1; If the compiler interprets the 1 literals as 32-bit ints, it generates undefined behavior depending on compiler version and optimization level. On my system, it optimizes out the shift, so the mask value becomes *mask = (1) - 1; With a mask value of 0, iio-sensor-proxy will always return 0 for every axis. Avoid incorrect 0 values caused by compiler optimization. See original fix by Brett Dutro <[email protected]> in iio-sensor-proxy: https://github.com/hadess/iio-sensor-proxy/commit/9615ceac7c134d838660e209726cd86aa2064fd3 Signed-off-by: Bastien Nocera <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2019-06-27selftests: rtnetlink: add small test case with 'promote_secondaries' enabledFlorian Westphal1-0/+20
This exercises the 'promote_secondaries' code path. Without previous fix, this triggers infinite loop/soft lockup: ifconfig process spinning at 100%, never to return. Signed-off-by: Florian Westphal <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2019-06-27Merge tag 'gpio-v5.3-updates-for-linus' of ↵Linus Walleij1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel gpio: updates for v5.3 - add include/linux/gpio.h to .gitignore in /tools - improve and simplify code in the em driver - simplify code in max732x by using devm helpers (including the new devm_i2c_new_dummy_device()) - fix SPDX header for madera - remove checking of return values of debugfs routines in gpio-mockup
2019-06-26perf tools: Remove trim() implementation, use tools/lib's strim()Arnaldo Carvalho de Melo5-10/+8
Moving more stuff out of tools/perf/util/ and using the kernel idiom. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26tools lib: Adopt strim() from the kernelArnaldo Carvalho de Melo2-0/+27
Since we're working on moving stuff out of tools/perf/util/ to tools/lib/, take the opportunity to adopt routines from the kernel that are equivalent, so that tools/ code look more like the kernel. Cc: Adrian Hunter <[email protected]> Cc: André Goddard Rosa <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26perf tools: Ditch rtrim(), use skip_spaces() to get closer to the kernelArnaldo Carvalho de Melo11-38/+23
No change in behaviour, just using the same kernel idiom for such operation. Cc: Adrian Hunter <[email protected]> Cc: André Goddard Rosa <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26perf report: Use skip_spaces()Arnaldo Carvalho de Melo1-2/+1
No change in behaviour intended. Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26perf metricgroup: Use strsep()Arnaldo Carvalho de Melo1-2/+1
No change in behaviour intended, trivial optimization done by avoiding looking for spaces in 'g' right after setting it to "No_group". Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26perf strfilter: Use skip_spaces()Arnaldo Carvalho de Melo1-2/+2
No change in behaviour. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26perf probe: Use skip_spaces() for argv handlingArnaldo Carvalho de Melo1-14/+2
The skip_sep() routine has the same implementation as skip_spaces(), recently adopted from the kernel, sources, switch to it. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-26tools: bpftool: use correct argument in cgroup errorsJakub Kicinski1-3/+3
cgroup code tries to use argv[0] as the cgroup path, but if it fails uses argv[1] to report errors. Fixes: 5ccda64d38cc ("bpftool: implement cgroup bpf operations") Signed-off-by: Jakub Kicinski <[email protected]> Reviewed-by: Quentin Monnet <[email protected]> Acked-by: Roman Gushchin <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
2019-06-26selftests/bpf: build tests with debug infoAndrii Nakryiko1-1/+1
Non-BPF (user land) part of selftests is built without debug info making occasional debugging with gdb terrible. Build with debug info always. Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
2019-06-26libbpf: fix max() type mismatch for 32bitIvan Khoronzhuk1-1/+1
It fixes build error for 32bit caused by type mismatch size_t/unsigned long. Fixes: bf82927125dd ("libbpf: refactor map initialization") Acked-by: Song Liu <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Signed-off-by: Ivan Khoronzhuk <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
2019-06-25perf time-utils: Use skip_spaces()Arnaldo Carvalho de Melo1-4/+2
No change in behaviour intended. Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jin Yao <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf header: Use skip_spaces() in __write_cpudesc()Arnaldo Carvalho de Melo1-3/+2
No change in behaviour. Cc: Stephane Eranian <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf stat: Use recently introduced skip_spaces()Arnaldo Carvalho de Melo1-3/+2
No change in behaviour. Cc: Andi Kleen <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25tools lib: Adopt skip_spaces() from the kernel sourcesArnaldo Carvalho de Melo2-1/+17
Same implementation, will be used to replace ad-hoc equivalent code in tools/. Cc: Adrian Hunter <[email protected]> Cc: André Goddard Rosa <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf tools: Use linux/ctype.h in more placesArnaldo Carvalho de Melo3-3/+3
There were a few places where we still were using the libc version of ctype.h, switch to the one in tools/lib/ctype.c that the rest of perf uses. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25tools perf: Move from sane_ctype.h obtained from git to the Linux's originalArnaldo Carvalho de Melo46-117/+155
We got the sane_ctype.h headers from git and kept using it so far, but since that code originally came from the kernel sources to the git sources, perhaps its better to just use the one in the kernel, so that we can leverage tools/perf/check_headers.sh to be notified when our copy gets out of sync, i.e. when fixes or goodies are added to the code we've copied. This will help with things like tools/lib/string.c where we want to have more things in common with the kernel, such as strim(), skip_spaces(), etc so as to go on removing the things that we have in tools/perf/util/ and instead using the code in the kernel, indirectly and removing things like EXPORT_SYMBOL(), etc, getting notified when fixes and improvements are made to the original code. Hopefully this also should help with reducing the difference of code hosted in tools/ to the one in the kernel proper. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf tools: Add missing util.h to pick up 'page_size' variableArnaldo Carvalho de Melo6-0/+6
Not to depend of getting it indirectly. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf tools: Remove old baggage that is util/include/linux/ctype.hArnaldo Carvalho de Melo2-2/+0
It was just including a ../util.h that wasn't even there: $ cat tools/perf/util/include/linux/../util.h cat: tools/perf/util/include/linux/../util.h: No such file or directory $ This would make kallsyms.h get util.h somehow and then files including it would get util.h defined stuff, a mess, fix it. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf symbols: We need util.h in symbol-elf.c for zfree()Arnaldo Carvalho de Melo1-0/+1
Continuing to untangle the headers, we're about to remove the old odd baggage that is tools/perf/util/include/linux/ctype.h. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf kallsyms: Adopt hex2u64 from tools/perf/util/util.hArnaldo Carvalho de Melo4-14/+15
Just removing more stuff from tools/perf/, this is mostly used in the kallsyms parsing and in places in perf where kallsyms is involved, so we get it for free there. With this we reduce a bit more util.h. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25tools x86 machine: Add missing util.h to pick up 'page_size'Arnaldo Carvalho de Melo1-0/+1
We're getting it by sheer luck, add that util.h to get the 'page_size' definition. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25tc-testing: add ingress qdisc testsRoman Mashak1-0/+102
Signed-off-by: Roman Mashak <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2019-06-25perf string: Move 'dots' and 'graph_dotted_line' out of sane_ctype.hArnaldo Carvalho de Melo8-12/+16
Those are not in that file in the git repo, lets move it from there so that we get that sane ctype code fully isolated to allow getting it in sync either with the git sources or better with the kernel sources (include/linux/ctype.h + lib/ctype.h), that way we can use check_headers.h to get notified when changes are made in the original code so that we can cherry-pick. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25tc-testing: Restore original behaviour for namespaces in tdcLucas Bates8-20/+296
This patch restores the original behaviour for tdc prior to the introduction of the plugin system, where the network namespace functionality was split from the main script. It introduces the concept of required plugins for testcases, and will automatically load any plugin that isn't already enabled when said plugin is required by even one testcase. Additionally, the -n option for the nsPlugin is deprecated so the default action is to make use of the namespaces. Instead, we introduce -N to not use them, but still create the veth pair. buildebpfPlugin's -B option is also deprecated. If a test cases requires the features of a specific plugin in order to pass, it should instead include a new key/value pair describing plugin interactions: "plugins": { "requires": "buildebpfPlugin" }, A test case can have more than one required plugin: a list can be inserted as the value for 'requires'. Signed-off-by: Lucas Bates <[email protected]> Acked-by: Davide Caratti <[email protected]> Tested-by: Nicolas Dichtel <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2019-06-25perf ctype: Remove now unused 'spaces' variableArnaldo Carvalho de Melo2-5/+0
We can left justify just fine using the 'field width' modifier in %s printf, ditch this variable. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf ui stdio: No need to use 'spaces' to left alignArnaldo Carvalho de Melo1-3/+7
We can just use the 'field width' for the %s used to print the alignment, this way we'll get the same result without requiring having a variable with just lots of space chars. No way to do that for the dots tho, we still need that variable filled with dot chars. # perf report --stdio --hierarchy > before # perf report --stdio --hierarchy > after # diff before after # I.e. it continues as: # perf report --stdio --hierarchy | head -15 # To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 107 of event 'cycles' # Event count (approx.): 31378313 # # Overhead Command / Shared Object / Symbol # .............. ............................................ # 80.13% swapper 72.29% [kernel.vmlinux] 49.85% [k] intel_idle 9.05% [k] tick_nohz_next_event # Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf ctype: Remove unused 'graph_line' variableArnaldo Carvalho de Melo2-5/+0
Not being used at all anywhere. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf scripts python: export-to-postgresql.py: Export Intel PT power and ↵Adrian Hunter1-0/+251
ptwrite events The format of synthesized events is determined by the attribute config. For the formats for Intel PT power and ptwrite events, create tables and populate them when the synth_data handler is called. If the tables remain empty, drop them at the end. The tables and views, including a combined power_events_view, will display automatically from the tables menu of the exported exported-sql-viewer.py script. Note, currently only Atoms since Gemini Lake have support for ptwrite and mwait, pwre, exstop and pwrx, but all Intel PT implementations support cbr. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf scripts python: export-to-sqlite.py: Export Intel PT power and ptwrite ↵Adrian Hunter1-0/+239
events The format of synthesized events is determined by the attribute config. For the formats for Intel PT power and ptwrite events, create tables and populate them when the synth_data handler is called. If the tables remain empty, drop them at the end. The tables and views, including a combined power_events_view, will display automatically from the tables menu of the exported exported-sql-viewer.py script. Note, currently only Atoms since Gemini Lake have support for ptwrite and mwait, pwre, exstop and pwrx, but all Intel PT implementations support cbr. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf db-export: Export synth eventsAdrian Hunter1-2/+44
Synthesized events are samples but with architecture-specific data stored in sample->raw_data. They are identified by attribute type PERF_TYPE_SYNTH. Add a function to export them. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf intel-pt: Synthesize CBR events when last seen value changesAdrian Hunter1-24/+41
The first core-to-bus ratio (CBR) event will not be shown if --itrace 's' option (skip initial number of events) is used, nor if time intervals are specified that do not include the start of tracing. Change the logic to record the last CBR value seen by the user, and synthesize CBR events whenever that changes. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf intel-pt: Add CBR value to decoder stateAdrian Hunter2-0/+2
For convenience, add the core-to-bus ratio (CBR) value to the decoder state. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf intel-pt: Cater for CBR change in PSB+Adrian Hunter1-0/+7
PSB+ provides status information only so the core-to-bus ratio (CBR) in PSB+ will not have changed from its previous value. However, cater for the possibility of a another CBR change that gets caught up in the PSB+ anyway. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf intel-pt: Decoder to output CBR changes immediatelyAdrian Hunter1-10/+6
The core-to-bus ratio (CBR) provides the CPU frequency. With branches enabled, the decoder was outputting CBR changes only when there was a branch. That loses the correct time of the change if the trace is not in context (e.g. not tracing kernel space). Change to output the CBR change immediately. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf tools: Increase MAX_NR_CPUS and MAX_CACHESKyle Meyer2-2/+2
Attempting to profile 1024 or more CPUs with perf causes two errors: perf record -a [ perf record: Woken up X times to write data ] way too many cpu caches.. [ perf record: Captured and wrote X MB perf.data (X samples) ] perf report -C 1024 Error: failed to set cpu bitmap Requested CPU 1024 too large. Consider raising MAX_NR_CPUS Increasing MAX_NR_CPUS from 1024 to 2048 and redefining MAX_CACHES as MAX_NR_CPUS * 4 returns normal functionality to perf: perf record -a [ perf record: Woken up X times to write data ] [ perf record: Captured and wrote X MB perf.data (X samples) ] perf report -C 1024 ... Signed-off-by: Kyle Meyer <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf thread-stack: Eliminate code duplicating thread_stack__pop_ks()Adrian Hunter1-12/+6
Use new function thread_stack__pop_ks() in place of equivalent code. Signed-off-by: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf thread-stack: Fix thread stack return from kernel for kernel-only caseAdrian Hunter1-1/+29
Commit f08046cb3082 ("perf thread-stack: Represent jmps to the start of a different symbol") had the side-effect of introducing more stack entries before return from kernel space. When user space is also traced, those entries are popped before entry to user space, but when user space is not traced, they get stuck at the bottom of the stack, making the stack grow progressively larger. Fix by detecting a return-from-kernel branch type, and popping kernel addresses from the stack then. Note, the problem and fix affect the exported Call Graph / Tree but not the callindent option used by "perf script --call-trace". Example: perf-with-kcore record example -e intel_pt//k -- ls perf-with-kcore script example --itrace=bep -s ~/libexec/perf-core/scripts/python/export-to-sqlite.py example.db branches calls ~/libexec/perf-core/scripts/python/exported-sql-viewer.py example.db Menu option: Reports -> Context-Sensitive Call Graph Before: (showing Call Path column only) Call Path ▶ perf ▼ ls ▼ 12111:12111 ▶ setup_new_exec ▶ __task_pid_nr_ns ▶ perf_event_pid_type ▶ perf_event_comm_output ▶ perf_iterate_ctx ▶ perf_iterate_sb ▶ perf_event_comm ▶ __set_task_comm ▶ load_elf_binary ▶ search_binary_handler ▶ __do_execve_file.isra.41 ▶ __x64_sys_execve ▶ do_syscall_64 ▼ entry_SYSCALL_64_after_hwframe ▼ swapgs_restore_regs_and_return_to_usermode ▼ native_iret ▶ error_entry ▶ do_page_fault ▼ error_exit ▼ retint_user ▶ prepare_exit_to_usermode ▼ native_iret ▶ error_entry ▶ do_page_fault ▼ error_exit ▼ retint_user ▶ prepare_exit_to_usermode ▼ native_iret ▶ error_entry ▶ do_page_fault ▼ error_exit ▼ retint_user ▶ prepare_exit_to_usermode ▶ native_iret After: (showing Call Path column only) Call Path ▶ perf ▼ ls ▼ 12111:12111 ▶ setup_new_exec ▶ __task_pid_nr_ns ▶ perf_event_pid_type ▶ perf_event_comm_output ▶ perf_iterate_ctx ▶ perf_iterate_sb ▶ perf_event_comm ▶ __set_task_comm ▶ load_elf_binary ▶ search_binary_handler ▶ __do_execve_file.isra.41 ▶ __x64_sys_execve ▶ do_syscall_64 ▶ entry_SYSCALL_64_after_hwframe ▶ page_fault ▼ entry_SYSCALL_64 ▼ do_syscall_64 ▶ __x64_sys_brk ▶ __x64_sys_access ▶ __x64_sys_openat ▶ __x64_sys_newfstat ▶ __x64_sys_mmap ▶ __x64_sys_close ▶ __x64_sys_read ▶ __x64_sys_mprotect ▶ __x64_sys_arch_prctl ▶ __x64_sys_munmap ▶ exit_to_usermode_loop ▶ __x64_sys_set_tid_address ▶ __x64_sys_set_robust_list ▶ __x64_sys_rt_sigaction ▶ __x64_sys_rt_sigprocmask ▶ __x64_sys_prlimit64 ▶ __x64_sys_statfs ▶ __x64_sys_ioctl ▶ __x64_sys_getdents64 ▶ __x64_sys_write ▶ __x64_sys_exit_group Committer notes: The first arg to the perf-with-kcore needs to be the same for the 'record' and 'script' lines, otherwise we'll record the perf.data file and kcore_dir/ files in one directory ('example') to then try to use it from the 'bep' directory, fix the instructions above it so that both use 'example'. Signed-off-by: Adrian Hunter <[email protected]> Tested-by: Arnaldo Carvalho de Melo <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: [email protected] Fixes: f08046cb3082 ("perf thread-stack: Represent jmps to the start of a different symbol") Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-25perf tools: Fix cache.h include directiveNumfor Mbiziwo-Tiapo1-1/+1
Change the include path so that progress.c can find cache.h since it was previously searching in the wrong directory. Committer notes: $ ls -la tools/perf/ui/../cache.h ls: cannot access 'tools/perf/ui/../cache.h': No such file or directory So it really should include ../../util/cache.h, or plain cache.h, since we have -Iutil in INC_FLAGS in tools/perf/Makefile.config Signed-off-by: Numfor Mbiziwo-Tiapo <[email protected]> Cc: Jiri Olsa <[email protected]>, Cc: Luke Mujica <[email protected]>, Cc: Stephane Eranian <[email protected]> To: Ian Rogers <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2019-06-24selftests, bpf: Add test for veth native XDPToshiaki Makita4-0/+162
Add a test case for veth native XDP. It checks if XDP_PASS, XDP_TX and XDP_REDIRECT work properly. $ cd tools/testing/selftests/bpf $ make \ TEST_CUSTOM_PROGS= \ TEST_GEN_PROGS= \ TEST_GEN_PROGS_EXTENDED= \ TEST_PROGS_EXTENDED= \ TEST_PROGS="test_xdp_veth.sh" \ run_tests TAP version 13 1..1 # selftests: bpf: test_xdp_veth.sh # PING 10.1.1.33 (10.1.1.33) 56(84) bytes of data. # 64 bytes from 10.1.1.33: icmp_seq=1 ttl=64 time=0.073 ms # # --- 10.1.1.33 ping statistics --- # 1 packets transmitted, 1 received, 0% packet loss, time 0ms # rtt min/avg/max/mdev = 0.073/0.073/0.073/0.000 ms # selftests: xdp_veth [PASS] ok 1 selftests: bpf: test_xdp_veth.sh Signed-off-by: Toshiaki Makita <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]>
2019-06-24libbpf: fix spelling mistake "conflictling" -> "conflicting"Colin Ian King1-4/+4
There are several spelling mistakes in pr_warning messages. Fix these. Signed-off-by: Colin Ian King <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]>
2019-06-24Merge branch 'x86/cpu' into perf/core, to pick up dependent patchesIngo Molnar1-3/+176
Signed-off-by: Ingo Molnar <[email protected]>
2019-06-24Merge tag 'v5.2-rc6' into perf/core, to refresh branchIngo Molnar98-307/+1231
Signed-off-by: Ingo Molnar <[email protected]>
2019-06-24perf/x86/regs: Use PERF_REG_EXTENDED_MASKKan Liang3-3/+5
Use the macro defined in kernel ABI header to replace the local name. No functional change. Signed-off-by: Kan Liang <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vince Weaver <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
2019-06-24selftests: pmtu: Make list_flush_ipv6_exception test more demandingStefano Brivio1-8/+14
Instead of just listing and flushing two cached exceptions, create a relatively big number of them, and count how many are listed. Single netlink dump messages contain approximately 25 entries each, and this way we can make sure the partial dump tracking mechanism is working properly. While at it, also ensure that no cached routes can be listed after flush, and remove 'sleep 1' calls, they are not actually needed. v7: No changes v6: - Merge this patch into series including fix, as it's also targeted for net-next. No actual changes Signed-off-by: Stefano Brivio <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2019-06-24selftests: pmtu: Introduce list_flush_ipv4_exception test caseStefano Brivio1-0/+60
This test checks that route exceptions can be successfully listed and flushed using ip -6 route {list,flush} cache. v7: No changes v6: - Merge this patch into series including fix, as it's also targeted for net-next - Drop left-over print of 'ip route list cache | wc -l' Signed-off-by: Stefano Brivio <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2019-06-24Merge LKMM and RCU commitsPaul E. McKenney18-58/+107
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