# 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.

from __future__ import print_function

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" % (for_comm))
	else:
		print("\nsyscall events:\n")

	print("%-40s  %10s" % ("event", "count"))
	print("%-40s  %10s" % ("----------------------------------------",
				"-----------"))

	for id, val in sorted(syscalls.items(),
			key = lambda kv: (kv[1], kv[0]), reverse = True):
		print("%-40s  %10d" % (syscall_name(id), val))
.y'>linux-2.6.26.y</option>
<option value='linux-2.6.27.y'>linux-2.6.27.y</option>
<option value='linux-2.6.28.y'>linux-2.6.28.y</option>
<option value='linux-2.6.29.y'>linux-2.6.29.y</option>
<option value='linux-2.6.30.y'>linux-2.6.30.y</option>
<option value='linux-2.6.31.y'>linux-2.6.31.y</option>
<option value='linux-2.6.32.y'>linux-2.6.32.y</option>
<option value='linux-2.6.33.y'>linux-2.6.33.y</option>
<option value='linux-2.6.34.y'>linux-2.6.34.y</option>
<option value='linux-2.6.35.y'>linux-2.6.35.y</option>
<option value='linux-2.6.36.y'>linux-2.6.36.y</option>
<option value='linux-2.6.37.y'>linux-2.6.37.y</option>
<option value='linux-2.6.38.y'>linux-2.6.38.y</option>
<option value='linux-2.6.39.y'>linux-2.6.39.y</option>
<option value='linux-3.0.y'>linux-3.0.y</option>
<option value='linux-3.1.y'>linux-3.1.y</option>
<option value='linux-3.10.y'>linux-3.10.y</option>
<option value='linux-3.11.y'>linux-3.11.y</option>
<option value='linux-3.12.y'>linux-3.12.y</option>
<option value='linux-3.13.y'>linux-3.13.y</option>
<option value='linux-3.14.y'>linux-3.14.y</option>
<option value='linux-3.15.y'>linux-3.15.y</option>
<option value='linux-3.16.y'>linux-3.16.y</option>
<option value='linux-3.17.y'>linux-3.17.y</option>
<option value='linux-3.18.y'>linux-3.18.y</option>
<option value='linux-3.19.y'>linux-3.19.y</option>
<option value='linux-3.2.y'>linux-3.2.y</option>
<option value='linux-3.3.y'>linux-3.3.y</option>
<option value='linux-3.4.y'>linux-3.4.y</option>
<option value='linux-3.5.y'>linux-3.5.y</option>
<option value='linux-3.6.y'>linux-3.6.y</option>
<option value='linux-3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/'>summary</a><a href='/distro/kernel/refs/'>refs</a><a class='active' href='/distro/kernel/log/Documentation/arch/s390'>log</a><a href='/distro/kernel/tree/Documentation/arch/s390'>tree</a><a href='/distro/kernel/commit/Documentation/arch/s390'>commit</a><a href='/distro/kernel/diff/Documentation/arch/s390'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/Documentation/arch/s390'>
<select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/'>root</a>/<a href='/distro/kernel/log/Documentation'>Documentation</a>/<a href='/distro/kernel/log/Documentation/arch'>arch</a>/<a href='/distro/kernel/log/Documentation/arch/s390'>s390</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/Documentation/arch/s390?showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2026-02-09 20:53:18 -0800'>2026-02-09</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=72c395024dac5e215136cbff793455f065603b06'>Merge tag 'docs-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2026-02-02 09:54:15 -0700'>2026-02-02</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=78a00cac1e962aacfe67ffa0ce295e709e0e6c5b'>docs: fix 're-use' -&gt; 'reuse' in documentation</a></td><td>Rhys Tumelty</td></tr>
<tr><td><span title='2026-01-27 12:21:20 +0100'>2026-01-27</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=0d453ba04044bb1b0df366d4a0a9098481f14621'>s390/Kconfig: Define non-zero ILLEGAL_POINTER_VALUE</a></td><td>Gerd Bayer</td></tr>
<tr><td><span title='2026-01-23 11:59:34 -0700'>2026-01-23</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=a592a36e49372172d7c7551ec19ed18184c935e1'>Documentation: use a source-read extension for the index link boilerplate</a></td><td>Jani Nikula</td></tr>
<tr><td><span title='2025-11-17 11:55:16 +0100'>2025-11-17</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=2a2153a2bac7d9388b661a18d49707a8d885b231'>s390/debug: Update description of resize operation</a></td><td>Peter Oberparleiter</td></tr>
<tr><td><span title='2025-07-16 17:53:40 -0700'>2025-07-16</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=727258025b933c61e103318ec42e765a53d9b18d'>s390/net: Remove NETIUCV device driver</a></td><td>Nagamani PV</td></tr>
<tr><td><span title='2025-02-05 18:19:01 -0800'>2025-02-05</span></td><td><a href='/distro/kernel/commit/Documentation/arch/s390?id=6cccb3bb0561812539d7f0ab35382e8d8998076a'>s390/net: Remove LCS driver</a></td><td>Aswin Karuvally</td></tr>