aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:48:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:48:00 -0700
commita042e26137d7674ac04b1cd2d5c06b9ebc1ee2d5 (patch)
treec1a7a8bda41b99caa4b4a0fe320fc73278879f7d /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
parentf66dd539feb849a3a00f7fac67c026e0935e373a (diff)
parente25804a0327dad954f7d43803178fdef2fd35b4e (diff)
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (50 commits) perf python scripting: Add futex-contention script perf python scripting: Fixup cut'n'paste error in sctop script perf scripting: Shut up 'perf record' final status perf record: Remove newline character from perror() argument perf python scripting: Support fedora 11 (audit 1.7.17) perf python scripting: Improve the syscalls-by-pid script perf python scripting: print the syscall name on sctop perf python scripting: Improve the syscalls-counts script perf python scripting: Improve the failed-syscalls-by-pid script kprobes: Remove redundant text_mutex lock in optimize x86/oprofile: Fix uninitialized variable use in debug printk tracing: Fix 'faild' -> 'failed' typo perf probe: Fix format specified for Dwarf_Off parameter perf trace: Fix detection of script extension perf trace: Use $PERF_EXEC_PATH in canned report scripts perf tools: Document event modifiers perf tools: Remove direct slang.h include perf_events: Fix for transaction recovery in group_sched_in() perf_events: Revert: Fix transaction recovery in group_sched_in() perf, x86: Use NUMA aware allocations for PEBS/BTS/DS allocations ...
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py')
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py58
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
index 9689bc0acd9f..13cc02b5893a 100644
--- a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
@@ -6,6 +6,14 @@
# Public License ("GPL") version 2 as published by the Free Software
# Foundation.
+import errno, os
+
+FUTEX_WAIT = 0
+FUTEX_WAKE = 1
+FUTEX_PRIVATE_FLAG = 128
+FUTEX_CLOCK_REALTIME = 256
+FUTEX_CMD_MASK = ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
+
NSECS_PER_SEC = 1000000000
def avg(total, n):
@@ -24,5 +32,55 @@ def nsecs_str(nsecs):
str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)),
return str
+def add_stats(dict, key, value):
+ if not dict.has_key(key):
+ dict[key] = (value, value, value, 1)
+ else:
+ min, max, avg, count = dict[key]
+ if value < min:
+ min = value
+ if value > max:
+ max = value
+ avg = (avg + value) / 2
+ dict[key] = (min, max, avg, count + 1)
+
def clear_term():
print("\x1b[H\x1b[2J")
+
+audit_package_warned = False
+
+try:
+ import audit
+ machine_to_id = {
+ 'x86_64': audit.MACH_86_64,
+ 'alpha' : audit.MACH_ALPHA,
+ 'ia64' : audit.MACH_IA64,
+ 'ppc' : audit.MACH_PPC,
+ 'ppc64' : audit.MACH_PPC64,
+ 's390' : audit.MACH_S390,
+ 's390x' : audit.MACH_S390X,
+ 'i386' : audit.MACH_X86,
+ 'i586' : audit.MACH_X86,
+ 'i686' : audit.MACH_X86,
+ }
+ try:
+ machine_to_id['armeb'] = audit.MACH_ARMEB
+ except:
+ pass
+ machine_id = machine_to_id[os.uname()[4]]
+except:
+ if not audit_package_warned:
+ audit_package_warned = True
+ print "Install the audit-libs-python package to get syscall names"
+
+def syscall_name(id):
+ try:
+ return audit.audit_syscall_to_name(id, machine_id)
+ except:
+ return str(id)
+
+def strerror(nr):
+ try:
+ return errno.errorcode[abs(nr)]
+ except:
+ return "Unknown %d errno" % nr