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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-10-25 17:11:25 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-10-25 18:47:11 -0200 |
| commit | 6545aaa561b5678c497e94dea22cb2d1af1d6859 (patch) | |
| tree | eaf1fc0010647f998adeadb4d5a36e9e3daf7bc8 /tools | |
| parent | 6cc7361440e499abb3a30cdbcfedad03e43c92ae (diff) | |
| download | linux-6545aaa561b5678c497e94dea22cb2d1af1d6859.tar.gz | |
perf python scripting: Improve the syscalls-counts script
. Print message at script start telling how to get te summary . Print the syscall name Now it looks like this: [root@emilia ~]# perf trace syscall-counts Press control+C to stop and show the summary ^C syscall events: event count ---------------------------------------- ----------- read 102752 open 1293 close 878 write 319 stat 185 fstat 149 getdents 116 mmap 98 brk 80 rt_sigaction 66 munmap 42 mprotect 24 lseek 21 lstat 7 rt_sigprocmask 4 futex 3 statfs 3 ioctl 3 readlink 2 select 2 getegid 1 geteuid 1 getgid 1 getuid 1 getrlimit 1 fcntl 1 uname 1 [root@emilia ~]# Cc: David S. Miller <davem@davemloft.net> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/scripts/python/syscall-counts.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py index f977e85ff049..ea183dc82d29 100644 --- a/tools/perf/scripts/python/syscall-counts.py +++ b/tools/perf/scripts/python/syscall-counts.py @@ -13,6 +13,7 @@ sys.path.append(os.environ['PERF_EXEC_PATH'] + \ from perf_trace_context import * from Core import * +from Util import syscall_name usage = "perf trace -s syscall-counts.py [comm]\n"; @@ -27,7 +28,7 @@ if len(sys.argv) > 1: syscalls = autodict() def trace_begin(): - pass + print "Press control+C to stop and show the summary" def trace_end(): print_syscall_totals() @@ -55,4 +56,4 @@ def print_syscall_totals(): for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ reverse = True): - print "%-40d %10d\n" % (id, val), + print "%-40s %10d\n" % (syscall_name(id), val), |