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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485# perf script event handlers, generated by perf script -g python# (c) 2010, Tom Zanussi <tzanussi@gmail.com># Licensed under the terms of the GNU GPL License version 2## This script tests basic functionality such as flag and symbol# strings, common_xxx() calls back into perf, begin, end, unhandled# events, etc. Basically, if this script runs successfully and# displays expected results, Python scripting support should be ok.
from __future__ import print_function
import osimport sys
sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
from Core import *from perf_trace_context import *
unhandled = autodict()
def trace_begin(): print("trace_begin") pass
def trace_end(): print_unhandled()
def irq__softirq_entry(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, common_callchain, vec): print_header(event_name, common_cpu, common_secs, common_nsecs, common_pid, common_comm)
print_uncommon(context)
print("vec=%s" % (symbol_str("irq__softirq_entry", "vec", vec)))
def kmem__kmalloc(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, common_callchain, call_site, ptr, bytes_req, bytes_alloc, gfp_flags): print_header(event_name, common_cpu, common_secs, common_nsecs, common_pid, common_comm)
print_uncommon(context)
print("call_site=%u, ptr=%u, bytes_req=%u, " "bytes_alloc=%u, gfp_flags=%s" % (call_site, ptr, bytes_req, bytes_alloc, flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)))
def trace_unhandled(event_name, context, event_fields_dict): try: unhandled[event_name] += 1 except TypeError: unhandled[event_name] = 1
def print_header(event_name, cpu, secs, nsecs, pid, comm): print("%-20s %5u %05u.%09u %8u %-20s " % (event_name, cpu, secs, nsecs, pid, comm), end=' ')
# print trace fields not included in handler argsdef print_uncommon(context): print("common_preempt_count=%d, common_flags=%s, " "common_lock_depth=%d, " % (common_pc(context), trace_flag_str(common_flags(context)), common_lock_depth(context)))
def print_unhandled(): keys = unhandled.keys() if not keys: return
print("\nunhandled events:\n")
print("%-40s %10s" % ("event", "count")) print("%-40s %10s" % ("----------------------------------------", "-----------"))
for event_name in keys: print("%-40s %10d\n" % (event_name, unhandled[event_name]))