2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com>
3 # Licensed under the terms of the GNU GPL License version 2
5 # Periodically displays system-wide system call totals, broken down by
6 # syscall. If a [comm] arg is specified, only syscalls called by
7 # [comm] are displayed. If an [interval] arg is specified, the display
8 # will be refreshed every [interval] seconds. The default interval is
16 sys
.path
.append(os
.environ
['PERF_EXEC_PATH'] + \
17 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
19 from perf_trace_context
import *
23 usage
= "perf trace -s syscall-counts.py [comm] [interval]\n";
27 interval
= default_interval
33 for_comm
= sys
.argv
[1]
34 interval
= int(sys
.argv
[2])
35 elif len(sys
.argv
) > 1:
37 interval
= int(sys
.argv
[1])
39 for_comm
= sys
.argv
[1]
40 interval
= default_interval
45 thread
.start_new_thread(print_syscall_totals
, (interval
,))
48 def raw_syscalls__sys_enter(event_name
, context
, common_cpu
,
49 common_secs
, common_nsecs
, common_pid
, common_comm
,
51 if for_comm
is not None:
52 if common_comm
!= for_comm
:
59 def print_syscall_totals(interval
):
62 if for_comm
is not None:
63 print "\nsyscall events for %s:\n\n" % (for_comm
),
65 print "\nsyscall events:\n\n",
67 print "%-40s %10s\n" % ("event", "count"),
68 print "%-40s %10s\n" % ("----------------------------------------", \
71 for id, val
in sorted(syscalls
.iteritems(), key
= lambda(k
, v
): (v
, k
), \
74 print "%-40d %10d\n" % (id, val
),