1 # failed 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 failed system call totals, broken down by pid.
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]
35 def raw_syscalls__sys_exit(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
:
44 syscalls
[common_comm
][common_pid
][id][ret
] += 1
46 syscalls
[common_comm
][common_pid
][id][ret
] = 1
48 def print_error_totals():
49 if for_comm
is not None:
50 print "\nsyscall errors for %s:\n\n" % (for_comm
),
52 print "\nsyscall errors:\n\n",
54 print "%-30s %10s\n" % ("comm [pid]", "count"),
55 print "%-30s %10s\n" % ("------------------------------", \
58 comm_keys
= syscalls
.keys()
59 for comm
in comm_keys
:
60 pid_keys
= syscalls
[comm
].keys()
62 print "\n%s [%d]\n" % (comm
, pid
),
63 id_keys
= syscalls
[comm
][pid
].keys()
65 print " syscall: %-16d\n" % (id),
66 ret_keys
= syscalls
[comm
][pid
][id].keys()
67 for ret
, val
in sorted(syscalls
[comm
][pid
][id].iteritems(), key
= lambda(k
, v
): (v
, k
), reverse
= True):
68 print " err = %-20d %10d\n" % (ret
, val
),