| @@ -0,0 +1,78 @@ |
| 1 | +# system call top |
| 2 | +# (c) 2010, Tom Zanussi <tzanussi@gmail.com> |
| 3 | +# Licensed under the terms of the GNU GPL License version 2 |
| 4 | +# |
| 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 |
| 9 | +# 3 seconds. |
| 10 | + |
| 11 | +import thread |
| 12 | +import time |
| 13 | +import os |
| 14 | +import sys |
| 15 | + |
| 16 | +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ |
| 17 | + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') |
| 18 | + |
| 19 | +from perf_trace_context import * |
| 20 | +from Core import * |
| 21 | +from Util import * |
| 22 | + |
| 23 | +usage = "perf trace -s syscall-counts.py [comm] [interval]\n"; |
| 24 | + |
| 25 | +for_comm = None |
| 26 | +default_interval = 3 |
| 27 | +interval = default_interval |
| 28 | + |
| 29 | +if len(sys.argv) > 3: |
| 30 | + sys.exit(usage) |
| 31 | + |
| 32 | +if len(sys.argv) > 2: |
| 33 | + for_comm = sys.argv[1] |
| 34 | + interval = int(sys.argv[2]) |
| 35 | +elif len(sys.argv) > 1: |
| 36 | + try: |
| 37 | + interval = int(sys.argv[1]) |
| 38 | + except ValueError: |
| 39 | + for_comm = sys.argv[1] |
| 40 | + interval = default_interval |
| 41 | + |
| 42 | +syscalls = autodict() |
| 43 | + |
| 44 | +def trace_begin(): |
| 45 | + thread.start_new_thread(print_syscall_totals, (interval,)) |
| 46 | + pass |
| 47 | + |
| 48 | +def raw_syscalls__sys_enter(event_name, context, common_cpu, |
| 49 | + common_secs, common_nsecs, common_pid, common_comm, |
| 50 | + id, args): |
| 51 | + if for_comm is not None: |
| 52 | + if common_comm != for_comm: |
| 53 | + return |
| 54 | + try: |
| 55 | + syscalls[id] += 1 |
| 56 | + except TypeError: |
| 57 | + syscalls[id] = 1 |
| 58 | + |
| 59 | +def print_syscall_totals(interval): |
| 60 | + while 1: |
| 61 | + clear_term() |
| 62 | + if for_comm is not None: |
| 63 | + print "\nsyscall events for %s:\n\n" % (for_comm), |
| 64 | + else: |
| 65 | + print "\nsyscall events:\n\n", |
| 66 | + |
| 67 | + print "%-40s %10s\n" % ("event", "count"), |
| 68 | + print "%-40s %10s\n" % ("----------------------------------------", \ |
| 69 | + "----------"), |
| 70 | + |
| 71 | + for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ |
| 72 | + reverse = True): |
| 73 | + try: |
| 74 | + print "%-40d %10d\n" % (id, val), |
| 75 | + except TypeError: |
| 76 | + pass |
| 77 | + syscalls.clear() |
| 78 | + time.sleep(interval) |