4d161f0360
Adds a set of scripts that aggregate system call totals and system call errors. Most are Python scripts that also test basic functionality of the new Python engine, but there's also one Perl script added for comparison and for reference in some new Documentation contained in a later patch. Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Keiichi KII <k-keiichi@bx.jp.nec.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1264580883-15324-8-git-send-email-tzanussi@gmail.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
# failed system call counts, by pid
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# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
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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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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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usage = "perf trace -s syscall-counts-by-pid.py [comm]\n";
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for_comm = 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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for_comm = sys.argv[1]
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syscalls = autodict()
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def trace_begin():
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pass
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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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id, ret):
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if for_comm is not None:
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if common_comm != for_comm:
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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 print_error_totals():
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if for_comm is not None:
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print "\nsyscall errors for %s:\n\n" % (for_comm),
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else:
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print "\nsyscall errors:\n\n",
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print "%-30s %10s\n" % ("comm [pid]", "count"),
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print "%-30s %10s\n" % ("------------------------------", \
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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]\n" % (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: %-16d\n" % (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].iteritems(), key = lambda(k, v): (v, k), reverse = True):
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print " err = %-20d %10d\n" % (ret, val),
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