From 6545aaa561b5678c497e94dea22cb2d1af1d6859 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 25 Oct 2010 17:11:25 -0200 Subject: 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 Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Cc: Tom Zanussi LKML-Reference: Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/scripts/python/syscall-counts.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'tools') 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), -- cgit v1.2.3