11 sys.path.append(os.environ[
'PERF_EXEC_PATH'] + \
12 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
14 from perf_trace_context
import *
18 usage =
"perf script -s syscall-counts-by-pid.py [comm|pid]\n";
28 for_pid =
int(sys.argv[1])
30 for_comm = sys.argv[1]
35 print "Press control+C to stop and show the summary"
41 common_secs, common_nsecs, common_pid, common_comm,
43 if (for_comm
and common_comm != for_comm)
or \
44 (for_pid
and common_pid != for_pid ):
49 syscalls[common_comm][common_pid][id][ret] += 1
51 syscalls[common_comm][common_pid][id][ret] = 1
54 if for_comm
is not None:
55 print "\nsyscall errors for %s:\n\n" % (for_comm),
57 print "\nsyscall errors:\n\n",
59 print "%-30s %10s\n" % (
"comm [pid]",
"count"),
60 print "%-30s %10s\n" % (
"------------------------------", \
63 comm_keys = syscalls.keys()
64 for comm
in comm_keys:
65 pid_keys = syscalls[comm].keys()
67 print "\n%s [%d]\n" % (comm, pid),
68 id_keys = syscalls[comm][pid].keys()
71 ret_keys = syscalls[comm][pid][id].keys()
72 for ret, val
in sorted(syscalls[comm][pid][id].iteritems(), key =
lambda(k, v): (v, k), reverse =
True):
73 print " err = %-20s %10d\n" % (
strerror(ret), val),