diff options
| author | fagyi <fagyipda@gmail.com> | 2018-03-06 19:46:51 +0100 |
|---|---|---|
| committer | fagyi <fagyipda@gmail.com> | 2018-03-06 22:41:43 +0100 |
| commit | 6ad62986504143ba800d060ba2ee8522ebeefb8a (patch) | |
| tree | 82c910dd2f37fe8ec5d0a3ec88ff2e6cedb8158f /tools/perf/scripts/python/syscall-counts.py | |
pme: Initial Oreo commit
- 3.16.708.3_R
-Fixed all leaks for standalone compiling for TC
-Fixed qcom dtbs issue where not packed so can be boot now
Other than clean stock!
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
| -rw-r--r-- | tools/perf/scripts/python/syscall-counts.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py new file mode 100644 index 000000000000..e66a7730aeb5 --- /dev/null +++ b/tools/perf/scripts/python/syscall-counts.py @@ -0,0 +1,64 @@ +# system call counts +# (c) 2010, Tom Zanussi <tzanussi@gmail.com> +# Licensed under the terms of the GNU GPL License version 2 +# +# Displays system-wide system call totals, broken down by syscall. +# If a [comm] arg is specified, only syscalls called by [comm] are displayed. + +import os +import sys + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +from perf_trace_context import * +from Core import * +from Util import syscall_name + +usage = "perf script -s syscall-counts.py [comm]\n"; + +for_comm = None + +if len(sys.argv) > 2: + sys.exit(usage) + +if len(sys.argv) > 1: + for_comm = sys.argv[1] + +syscalls = autodict() + +def trace_begin(): + print "Press control+C to stop and show the summary" + +def trace_end(): + print_syscall_totals() + +def raw_syscalls__sys_enter(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + common_callchain, id, args): + if for_comm is not None: + if common_comm != for_comm: + return + try: + syscalls[id] += 1 + except TypeError: + syscalls[id] = 1 + +def syscalls__sys_enter(event_name, context, common_cpu, + common_secs, common_nsecs, common_pid, common_comm, + id, args): + raw_syscalls__sys_enter(**locals()) + +def print_syscall_totals(): + if for_comm is not None: + print "\nsyscall events for %s:\n\n" % (for_comm), + else: + print "\nsyscall events:\n\n", + + print "%-40s %10s\n" % ("event", "count"), + print "%-40s %10s\n" % ("----------------------------------------", \ + "-----------"), + + for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ + reverse = True): + print "%-40s %10d\n" % (syscall_name(id), val), |
