# system call top # (c) 2010, Tom Zanussi # Licensed under the terms of the GNU GPL License version 2 # # Periodically displays system-wide system call totals, broken down by # syscall. If a [comm] arg is specified, only syscalls called by # [comm] are displayed. If an [interval] arg is specified, the display # will be refreshed every [interval] seconds. The default interval is # 3 seconds. from __future__ import print_function import os, sys, time try: import thread except ImportError: import _thread as thread 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 * usage = "perf script -s sctop.py [comm] [interval]\n"; for_comm = None default_interval = 3 interval = default_interval if len(sys.argv) > 3: sys.exit(usage) if len(sys.argv) > 2: for_comm = sys.argv[1] interval = int(sys.argv[2]) elif len(sys.argv) > 1: try: interval = int(sys.argv[1]) except ValueError: for_comm = sys.argv[1] interval = default_interval syscalls = autodict() def trace_begin(): thread.start_new_thread(print_syscall_totals, (interval,)) pass 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(interval): while 1: clear_term() 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): try: print("%-40s %10d" % (syscall_name(id), val)) except TypeError: pass syscalls.clear() time.sleep(interval) ux-2.6.33.y Hosts the 0x221E linux distro kernel.Ubuntu
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2025-11-13perf build: Don't fail fast path feature detection when binutils-devel is not...Arnaldo Carvalho de Melo
2025-10-06perf build: Correct CROSS_ARCH for clangLeo Yan
2025-10-06tools build: Align warning options with perfLeo Yan
2025-10-03tools build: Remove libbpf-strings feature testIan Rogers
2025-10-03tools build: Remove feature-libslang-include-subdirIan Rogers
2025-10-03tools build: Remove get_current_dir_name feature checkIan Rogers
2025-10-02tools build: Don't assume libtracefs-devel is always availableArnaldo Carvalho de Melo
2025-09-19tools build: Make libperl opt-in rather than opt-out, deprecateIan Rogers
2025-06-26tools: Remove libcrypto dependencyYuzhuo Jing
2025-06-24perf build: The bfd features are opt-in, stop testing for them by defaultArnaldo Carvalho de Melo
2025-06-20perf build: detect support for libbpf's emit_strings optionBlake Jones
2025-06-09tools/build: Remove some unused libbpf pre-1.0 feature test logicIan Rogers
2025-04-10tools build: Don't show libbfd build status as it is opt-inArnaldo Carvalho de Melo
2025-04-10tools build: Don't show libunwind build status as it is opt-inArnaldo Carvalho de Melo
2025-04-10tools build: Don't set libunwind as available if test-all.c build succeedsArnaldo Carvalho de Melo
2025-03-31Merge tag 'perf-tools-for-v6.15-2025-03-27' of git://git.kernel.org/pub/scm/l...Linus Torvalds
2025-03-27Merge tag 'trace-tools-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/gi...Linus Torvalds
2025-03-26tools/build: Use SYSTEM_BPFTOOL for system bpftoolTomas Glozar
2025-03-24tools/build: Don't pass test log files to linkerIan Rogers
2025-03-04tools/build: Add bpftool-skeletons feature testTomas Glozar
2025-02-18tools: Unify top-level quiet infrastructureCharlie Jenkins
2025-02-12tools build: Fix a number of Wconversion warningsIan Rogers