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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576# system call counts, by pid# (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.
from __future__ import print_function
import os, 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-by-pid.py [comm]\n";
for_comm = Nonefor_pid = None
if len(sys.argv) > 2: sys.exit(usage)
if len(sys.argv) > 1: try: for_pid = int(sys.argv[1]) except: 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 and common_comm != for_comm) or \ (for_pid and common_pid != for_pid ): return try: syscalls[common_comm][common_pid][id] += 1 except TypeError: syscalls[common_comm][common_pid][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" % (for_comm)) else: print("\nsyscall events by comm/pid:\n")
print("%-40s %10s" % ("comm [pid]/syscalls", "count")) print("%-40s %10s" % ("----------------------------------------", "----------"))
comm_keys = syscalls.keys() for comm in comm_keys: pid_keys = syscalls[comm].keys() for pid in pid_keys: print("\n%s [%d]" % (comm, pid)) id_keys = syscalls[comm][pid].keys() for id, val in sorted(syscalls[comm][pid].items(), key = lambda kv: (kv[1], kv[0]), reverse = True): print(" %-38s %10d" % (syscall_name(id), val))