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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-10-25 19:11:25 (GMT) |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-10-25 20:47:11 (GMT) |
commit | 6545aaa561b5678c497e94dea22cb2d1af1d6859 (patch) | |
tree | eaf1fc0010647f998adeadb4d5a36e9e3daf7bc8 /tools/perf | |
parent | 6cc7361440e499abb3a30cdbcfedad03e43c92ae (diff) | |
download | linux-fsl-qoriq-6545aaa561b5678c497e94dea22cb2d1af1d6859.tar.xz |
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/perf')
-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 f977e85..ea183dc 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), |