From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- tools/perf/scripts/python/check-perf-trace.py | 84 +++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 tools/perf/scripts/python/check-perf-trace.py (limited to 'tools/perf/scripts/python/check-perf-trace.py') diff --git a/tools/perf/scripts/python/check-perf-trace.py b/tools/perf/scripts/python/check-perf-trace.py new file mode 100644 index 000000000..d2c229548 --- /dev/null +++ b/tools/perf/scripts/python/check-perf-trace.py @@ -0,0 +1,84 @@ +# perf script event handlers, generated by perf script -g python +# (c) 2010, Tom Zanussi +# 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 os +import 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 args +def 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])) -- cgit v1.2.3