# 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, 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), .25.y'>linux-2.6.25.y Hosts the 0x221E linux distro kernel.Ubuntu
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AgeCommit message (Expand)Author
2015-09-08pagemap: add mmap-exclusive bit for marking pages mapped only hereKonstantin Khlebnikov
2015-09-08pagemap: switch to the new format and do some cleanupKonstantin Khlebnikov
2015-05-14tools/vm: fix page-flags buildAndi Kleen
2015-02-11mm:add KPF_ZERO_PAGE flag for /proc/kpageflagsWang, Yalin
2014-12-13mm/page_owner: keep track of page ownersJoonsoo Kim
2014-10-09mm/balloon_compaction: add vmstat counters and kpageflags bitKonstantin Khlebnikov
2014-06-04tools/vm/page-types.c: catch sigbus if raced with truncateKonstantin Khlebnikov
2014-04-07tools/vm/page-types.c: page-cache sniffing featureKonstantin Khlebnikov
2013-12-16tools/: Convert to new topic librariesBorislav Petkov
2013-11-13tools/vm/page-types.c: support KPF_SOFTDIRTY bitNaoya Horiguchi
2013-03-15tools/vm: Switch to liblk libraryBorislav Petkov
2013-02-05tools/vm: add .gitignore to ignore built binariesJoonsoo Kim
2012-10-25UAPI: fix tools/vm/page-types.cDavid Howells
2012-10-13UAPI: (Scripted) Disintegrate include/linuxDavid Howells
2012-07-02mm: Fix signal SIGFPE in slabinfo.c.majianpeng
2012-05-29tools/vm/page-types.c: cleanupsUlrich Drepper
2012-05-29kbuild: install kernel-page-flags.hUlrich Drepper
2012-03-28mm: move slabinfo.c to tools/vmDave Young
2012-03-28mm: move page-types.c from Documentation to tools/vmDave Young