From: Waldemar Kozaczuk <jwkozac...@gmail.com>
Committer: Waldemar Kozaczuk <jwkozac...@gmail.com>
Branch: master
trace.py: add --tracepoint to filter specific tracepoints
Signed-off-by: Waldemar Kozaczuk <jwkozac...@gmail.com>
---
diff --git a/scripts/trace.py b/scripts/trace.py
--- a/scripts/trace.py
+++ b/scripts/trace.py
@@ -110,11 +110,17 @@ def data_formatter(sample):
return format_packet_sample(sample)
return sample.format_data(sample)
+ def name_filter(sample):
+ if args.tracepoint:
+ return sample.name.startswith(args.tracepoint)
+ else:
+ return True
+
backtrace_formatter = get_backtrace_formatter(args)
time_range = get_time_range(args)
with get_trace_reader(args) as reader:
for t in reader.get_traces():
- if t.time in time_range:
+ if t.time in time_range and name_filter(t):
print(t.format(backtrace_formatter,
data_formatter=data_formatter))
def mem_analys(args):
@@ -671,6 +677,8 @@ def download_dump(args):
cmd_list = subparsers.add_parser("list", help="list trace")
add_trace_listing_options(cmd_list)
cmd_list.add_argument("--tcpdump", action="store_true")
+ cmd_list.add_argument("-t", "--tracepoint", action="store",
+ help="prefix of name of the tracepoint to show; shows all by default")
cmd_list.set_defaults(func=list_trace, paginate=True)
cmd_wakeup_latency = subparsers.add_parser("wakeup-latency")
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