1 # system call counts, by pid
2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com>
3 # Licensed under the terms of the GNU GPL License version 2
5 # Displays system-wide system call totals, broken down by syscall.
6 # If a [comm] arg is specified, only syscalls called by [comm] are displayed.
11 sys
.path
.append(os
.environ
['PERF_EXEC_PATH'] + \
12 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
14 from perf_trace_context
import *
17 usage
= "perf trace -s syscall-counts-by-pid.py [comm]\n";
25 for_comm
= sys
.argv
[1]
33 print_syscall_totals()
35 def raw_syscalls__sys_enter(event_name
, context
, common_cpu
,
36 common_secs
, common_nsecs
, common_pid
, common_comm
,
38 if for_comm
is not None:
39 if common_comm
!= for_comm
:
42 syscalls
[common_comm
][common_pid
][id] += 1
44 syscalls
[common_comm
][common_pid
][id] = 1
46 def print_syscall_totals():
47 if for_comm
is not None:
48 print "\nsyscall events for %s:\n\n" % (for_comm
),
50 print "\nsyscall events by comm/pid:\n\n",
52 print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"),
53 print "%-40s %10s\n" % ("----------------------------------------", \
56 comm_keys
= syscalls
.keys()
57 for comm
in comm_keys
:
58 pid_keys
= syscalls
[comm
].keys()
60 print "\n%s [%d]\n" % (comm
, pid
),
61 id_keys
= syscalls
[comm
][pid
].keys()
62 for id, val
in sorted(syscalls
[comm
][pid
].iteritems(), \
63 key
= lambda(k
, v
): (v
, k
), reverse
= True):
64 print " %-38d %10d\n" % (id, val
),