65 lines
1.7 KiB
Python
Executable file
65 lines
1.7 KiB
Python
Executable file
# system call counts
|
|
# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
|
|
# Licensed under the terms of the GNU GPL License version 2
|
|
#
|
|
# Displays system-wide system call totals, broken down by syscall.
|
|
# If a [comm] arg is specified, only syscalls called by [comm] are displayed.
|
|
|
|
import os
|
|
import sys
|
|
|
|
sys.path.append(os.environ['PERF_EXEC_PATH'] + \
|
|
'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
|
|
|
|
from perf_trace_context import *
|
|
from Core import *
|
|
from Util import syscall_name
|
|
|
|
usage = "perf script -s syscall-counts.py [comm]\n";
|
|
|
|
for_comm = None
|
|
|
|
if len(sys.argv) > 2:
|
|
sys.exit(usage)
|
|
|
|
if len(sys.argv) > 1:
|
|
for_comm = sys.argv[1]
|
|
|
|
syscalls = autodict()
|
|
|
|
def trace_begin():
|
|
print "Press control+C to stop and show the summary"
|
|
|
|
def trace_end():
|
|
print_syscall_totals()
|
|
|
|
def raw_syscalls__sys_enter(event_name, context, common_cpu,
|
|
common_secs, common_nsecs, common_pid, common_comm,
|
|
common_callchain, id, args):
|
|
if for_comm is not None:
|
|
if common_comm != for_comm:
|
|
return
|
|
try:
|
|
syscalls[id] += 1
|
|
except TypeError:
|
|
syscalls[id] = 1
|
|
|
|
def syscalls__sys_enter(event_name, context, common_cpu,
|
|
common_secs, common_nsecs, common_pid, common_comm,
|
|
id, args):
|
|
raw_syscalls__sys_enter(**locals())
|
|
|
|
def print_syscall_totals():
|
|
if for_comm is not None:
|
|
print "\nsyscall events for %s:\n\n" % (for_comm),
|
|
else:
|
|
print "\nsyscall events:\n\n",
|
|
|
|
print "%-40s %10s\n" % ("event", "count"),
|
|
print "%-40s %10s\n" % ("----------------------------------------", \
|
|
"-----------"),
|
|
|
|
for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
|
|
reverse = True):
|
|
print "%-40s %10d\n" % (syscall_name(id), val),
|