# system call counts, by pid # (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. 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 = None for_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)) 'linux-2.6.32.y'>linux-2.6.32.y Hosts the 0x221E linux distro kernel.Ubuntu
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path: root/lib/xz
: Replace zero-length array with flexible-array member
AgeCommit message (Expand)Author
2011-01-20kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERTDavid Rientjes
2011-01-13decompressors: add XZ decompressor moduleLasse Collin
Gustavo A. R. Silva
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