git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 4d161f03 TZ |
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 | |
| 4 | # | |
| 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. | |
| 7 | ||
| a64fa198 | 8 | import os, sys |
| 4d161f03 TZ |
9 | |
| 10 | sys.path.append(os.environ['PERF_EXEC_PATH'] + \ | |
| 11 | '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') | |
| 12 | ||
| 13 | from perf_trace_context import * | |
| 14 | from Core import * | |
| a64fa198 | 15 | from Util import syscall_name |
| 4d161f03 TZ |
16 | |
| 17 | usage = "perf trace -s syscall-counts-by-pid.py [comm]\n"; | |
| 18 | ||
| 19 | for_comm = None | |
| a64fa198 | 20 | for_pid = None |
| 4d161f03 TZ |
21 | |
| 22 | if len(sys.argv) > 2: | |
| 23 | sys.exit(usage) | |
| 24 | ||
| 25 | if len(sys.argv) > 1: | |
| a64fa198 ACM |
26 | try: |
| 27 | for_pid = int(sys.argv[1]) | |
| 28 | except: | |
| 29 | for_comm = sys.argv[1] | |
| 4d161f03 TZ |
30 | |
| 31 | syscalls = autodict() | |
| 32 | ||
| 33 | def trace_begin(): | |
| a64fa198 | 34 | print "Press control+C to stop and show the summary" |
| 4d161f03 TZ |
35 | |
| 36 | def trace_end(): | |
| 37 | print_syscall_totals() | |
| 38 | ||
| 39 | def raw_syscalls__sys_enter(event_name, context, common_cpu, | |
| 40 | common_secs, common_nsecs, common_pid, common_comm, | |
| 41 | id, args): | |
| a64fa198 ACM |
42 | |
| 43 | if (for_comm and common_comm != for_comm) or \ | |
| 44 | (for_pid and common_pid != for_pid ): | |
| 45 | return | |
| 4d161f03 TZ |
46 | try: |
| 47 | syscalls[common_comm][common_pid][id] += 1 | |
| 48 | except TypeError: | |
| 49 | syscalls[common_comm][common_pid][id] = 1 | |
| 50 | ||
| 51 | def print_syscall_totals(): | |
| 52 | if for_comm is not None: | |
| 53 | print "\nsyscall events for %s:\n\n" % (for_comm), | |
| 54 | else: | |
| 55 | print "\nsyscall events by comm/pid:\n\n", | |
| 56 | ||
| 57 | print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"), | |
| 58 | print "%-40s %10s\n" % ("----------------------------------------", \ | |
| 59 | "----------"), | |
| 60 | ||
| 61 | comm_keys = syscalls.keys() | |
| 62 | for comm in comm_keys: | |
| 63 | pid_keys = syscalls[comm].keys() | |
| 64 | for pid in pid_keys: | |
| 65 | print "\n%s [%d]\n" % (comm, pid), | |
| 66 | id_keys = syscalls[comm][pid].keys() | |
| 67 | for id, val in sorted(syscalls[comm][pid].iteritems(), \ | |
| 68 | key = lambda(k, v): (v, k), reverse = True): | |
| a64fa198 | 69 | print " %-38s %10d\n" % (syscall_name(id), val), |