# system call counts # (c) 2010, Tom Zanussi # 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, id, args): if for_comm is not None: if common_comm != for_comm: return try: syscalls[id] += 1 except TypeError: syscalls[id] = 1 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), tion> Hosts the 0x221E linux distro kernel.Ubuntu
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AgeCommit message (Expand)Author
2024-05-08ALSA: misc: Use *-y instead of *-objs in MakefileTakashi Iwai
2023-05-22ALSA: add HAS_IOPORT dependenciesNiklas Schnelle
2022-08-24ALSA: pdaudiocf: Drop superfluous GFP setupTakashi Iwai
2021-07-19ALSA: vx: Manage vx_core object with devresTakashi Iwai
2021-06-09ALSA: pcmcia: Fix assignment in if conditionTakashi Iwai
2021-03-17module: remove never implemented MODULE_SUPPORTED_DEVICELeon Romanovsky
2020-07-09ALSA: Use fallthrough pseudo-keywordGustavo A. R. Silva
2020-07-07ALSA: pcmcia/pdaudiocf: fix kernel-docPierre-Louis Bossart
2020-01-05ALSA: pdaudiocf: More constificationTakashi Iwai
2020-01-05ALSA: vx: More constificationsTakashi Iwai
2020-01-03ALSA: vx: Constify snd_vx_hardware and snd_vx_ops definitionsTakashi Iwai
2020-01-03ALSA: pcmcia: Constify snd_device_ops definitionsTakashi Iwai
2019-12-11ALSA: vxpocket: Support PCM sync_stopTakashi Iwai
2019-12-11ALSA: pdaudiocf: Support PCM sync_stopTakashi Iwai
2019-12-11ALSA: pcmcia: Drop superfluous ioctl PCM opsTakashi Iwai
2019-12-11ALSA: pdaudiocf: Use managed buffer allocationTakashi Iwai
2019-11-06ALSA: pdaudiocf: Convert to the common vmalloc memallocTakashi Iwai
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156Thomas Gleixner
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner
2019-02-06ALSA: pcmcia: Clean up with new procfs helpersTakashi Iwai
2019-01-15ALSA: pcmcia: Remove superfluous snd_pcm_suspend*() callsTakashi Iwai