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75 lines
2.0 KiB
75 lines
2.0 KiB
# system call counts, by pid |
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# (c) 2010, Tom Zanussi <[email protected]> |
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# Licensed under the terms of the GNU GPL License version 2 |
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# |
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# Displays system-wide system call totals, broken down by syscall. |
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# If a [comm] arg is specified, only syscalls called by [comm] are displayed. |
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from __future__ import print_function |
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import os, sys |
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sys.path.append(os.environ['PERF_EXEC_PATH'] + \ |
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'/scripts/python/Perf-Trace-Util/lib/Perf/Trace') |
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from perf_trace_context import * |
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from Core import * |
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from Util import syscall_name |
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usage = "perf script -s syscall-counts-by-pid.py [comm]\n"; |
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for_comm = None |
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for_pid = None |
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if len(sys.argv) > 2: |
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sys.exit(usage) |
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if len(sys.argv) > 1: |
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try: |
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for_pid = int(sys.argv[1]) |
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except: |
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for_comm = sys.argv[1] |
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syscalls = autodict() |
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def trace_begin(): |
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print("Press control+C to stop and show the summary") |
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def trace_end(): |
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print_syscall_totals() |
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def raw_syscalls__sys_enter(event_name, context, common_cpu, |
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common_secs, common_nsecs, common_pid, common_comm, |
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common_callchain, id, args): |
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if (for_comm and common_comm != for_comm) or \ |
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(for_pid and common_pid != for_pid ): |
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return |
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try: |
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syscalls[common_comm][common_pid][id] += 1 |
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except TypeError: |
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syscalls[common_comm][common_pid][id] = 1 |
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def syscalls__sys_enter(event_name, context, common_cpu, |
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common_secs, common_nsecs, common_pid, common_comm, |
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id, args): |
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raw_syscalls__sys_enter(**locals()) |
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def print_syscall_totals(): |
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if for_comm is not None: |
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print("\nsyscall events for %s:\n" % (for_comm)) |
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else: |
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print("\nsyscall events by comm/pid:\n") |
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print("%-40s %10s" % ("comm [pid]/syscalls", "count")) |
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print("%-40s %10s" % ("----------------------------------------", |
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"----------")) |
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comm_keys = syscalls.keys() |
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for comm in comm_keys: |
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pid_keys = syscalls[comm].keys() |
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for pid in pid_keys: |
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print("\n%s [%d]" % (comm, pid)) |
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id_keys = syscalls[comm][pid].keys() |
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for id, val in sorted(syscalls[comm][pid].items(), |
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key = lambda kv: (kv[1], kv[0]), reverse = True): |
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print(" %-38s %10d" % (syscall_name(id), val))
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