| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 |
|
| 8 | import os
|
| 9 | import sys
|
| 10 |
|
| 11 | sys.path.append(os.environ['PERF_EXEC_PATH'] + \
|
| 12 | '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
|
| 13 |
|
| 14 | from perf_trace_context import *
|
| 15 | from Core import *
|
| 16 | from Util import syscall_name
|
| 17 |
|
| 18 | usage = "perf script -s syscall-counts.py [comm]\n";
|
| 19 |
|
| 20 | for_comm = None
|
| 21 |
|
| 22 | if len(sys.argv) > 2:
|
| 23 | sys.exit(usage)
|
| 24 |
|
| 25 | if len(sys.argv) > 1:
|
| 26 | for_comm = sys.argv[1]
|
| 27 |
|
| 28 | syscalls = autodict()
|
| 29 |
|
| 30 | def trace_begin():
|
| 31 | print "Press control+C to stop and show the summary"
|
| 32 |
|
| 33 | def trace_end():
|
| 34 | print_syscall_totals()
|
| 35 |
|
| 36 | def raw_syscalls__sys_enter(event_name, context, common_cpu,
|
| 37 | common_secs, common_nsecs, common_pid, common_comm,
|
| 38 | common_callchain, id, args):
|
| 39 | if for_comm is not None:
|
| 40 | if common_comm != for_comm:
|
| 41 | return
|
| 42 | try:
|
| 43 | syscalls[id] += 1
|
| 44 | except TypeError:
|
| 45 | syscalls[id] = 1
|
| 46 |
|
| 47 | def syscalls__sys_enter(event_name, context, common_cpu,
|
| 48 | common_secs, common_nsecs, common_pid, common_comm,
|
| 49 | id, args):
|
| 50 | raw_syscalls__sys_enter(**locals())
|
| 51 |
|
| 52 | def print_syscall_totals():
|
| 53 | if for_comm is not None:
|
| 54 | print "\nsyscall events for %s:\n\n" % (for_comm),
|
| 55 | else:
|
| 56 | print "\nsyscall events:\n\n",
|
| 57 |
|
| 58 | print "%-40s %10s\n" % ("event", "count"),
|
| 59 | print "%-40s %10s\n" % ("----------------------------------------", \
|
| 60 | "-----------"),
|
| 61 |
|
| 62 | for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
|
| 63 | reverse = True):
|
| 64 | print "%-40s %10d\n" % (syscall_name(id), val),
|