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79 lines
2.1 KiB
79 lines
2.1 KiB
# failed 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 failed system call totals, broken down by pid. |
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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 |
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import 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 * |
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usage = "perf script -s syscall-counts-by-pid.py [comm|pid]\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_error_totals() |
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def raw_syscalls__sys_exit(event_name, context, common_cpu, |
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common_secs, common_nsecs, common_pid, common_comm, |
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common_callchain, id, ret): |
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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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if ret < 0: |
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try: |
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syscalls[common_comm][common_pid][id][ret] += 1 |
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except TypeError: |
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syscalls[common_comm][common_pid][id][ret] = 1 |
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def syscalls__sys_exit(event_name, context, common_cpu, |
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common_secs, common_nsecs, common_pid, common_comm, |
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id, ret): |
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raw_syscalls__sys_exit(**locals()) |
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def print_error_totals(): |
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if for_comm is not None: |
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print("\nsyscall errors for %s:\n" % (for_comm)) |
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else: |
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print("\nsyscall errors:\n") |
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print("%-30s %10s" % ("comm [pid]", "count")) |
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print("%-30s %10s" % ("------------------------------", "----------")) |
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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 in id_keys: |
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print(" syscall: %-16s" % syscall_name(id)) |
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ret_keys = syscalls[comm][pid][id].keys() |
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for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True): |
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print(" err = %-20s %10d" % (strerror(ret), val))
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