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tracing: Fix some typos

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Fix example commands to work when copied/pasted to the terminal.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6064>
This commit is contained in:
Hosang Lee 2024-02-06 18:33:05 +09:00 committed by GStreamer Marge Bot
parent f6f448bb80
commit df0be57d38
1 changed files with 11 additions and 11 deletions
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22
subprojects/gst-docs/markdown/additional/design/tracing.md
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@ -311,7 +311,7 @@ extensions)
- filters: (string): A comma separated list of object types to trace (make sure to enclose in
quotation marks)
**Run the leaks tracer on all `GstProxyPad` objects logging the references with a full backtraces**
**Run the leaks tracer on all `GstProxyPad` objects logging the references with full backtraces**
```
GST_TRACERS=leaks(stack-traces-flags=full,filters=”GstProxyPad”,check-refs=true) COMMAND
@ -422,22 +422,22 @@ little driver * <https://github.com/dkogan/feedgnuplot>
### Traces for buffer flow, events and messages in TRACE level:
```
GST_DEBUG="GST_TRACER:7,GST_BUFFER*:7,GST_EVENT:7,GST_MESSAGE:7"
GST_TRACERS=log gst-launch-1.0 fakesrc num-buffers=10 ! fakesink -
GST_DEBUG="GST_TRACER:7,GST_BUFFER*:7,GST_EVENT:7,GST_MESSAGE:7" \
GST_TRACERS=log gst-launch-1.0 fakesrc num-buffers=10 ! fakesink
```
### Print some pipeline stats on exit:
```
GST_DEBUG="GST_TRACER:7" GST_TRACERS="stats;rusage"
GST_DEBUG_FILE=trace.log gst-launch-1.0 fakesrc num-buffers=10
GST_DEBUG="GST_TRACER:7" GST_TRACERS="stats;rusage" \
GST_DEBUG_FILE=trace.log gst-launch-1.0 fakesrc num-buffers=10 \
sizetype=fixed ! queue ! fakesink && gst-stats-1.0 trace.log
```
### get ts, average-cpuload, current-cpuload, time and plot
```
GST_DEBUG="GST_TRACER:7" GST_TRACERS="stats;rusage"
GST_DEBUG="GST_TRACER:7" GST_TRACERS="stats;rusage" \
GST_DEBUG_FILE=trace.log /usr/bin/gst-play-1.0 $HOME/Videos/movie.mp4 &&
./scripts/gst-plot-traces.sh --format=png | gnuplot eog trace.log.*.png
```
@ -453,7 +453,7 @@ autoaudiosink
### print processing latencies for each element
```
GST_DEBUG="GST_TRACER:7" GST_TRACERS=latency(flags=element) gst-launch-1.0 \
GST_DEBUG="GST_TRACER:7" GST_TRACERS="latency(flags=element)" gst-launch-1.0 \
audiotestsrc num-buffers=10 ! audioconvert ! volume volume=0.7 ! \
autoaudiosink
```
@ -461,7 +461,7 @@ autoaudiosink
### print reported latencies for each element
```
GST_DEBUG="GST_TRACER:7" GST_TRACERS=latency(flags=reported) gst-launch-1.0 \
GST_DEBUG="GST_TRACER:7" GST_TRACERS="latency(flags=reported)" gst-launch-1.0 \
audiotestsrc num-buffers=10 ! audioconvert ! volume volume=0.7 ! \
autoaudiosink
```
@ -470,7 +470,7 @@ autoaudiosink
```
GST_DEBUG="GST_TRACER:7" \
GST_TRACERS=latency(flags=pipeline+element+reported) gst-launch-1.0 \
GST_TRACERS="latency(flags=pipeline+element+reported)" gst-launch-1.0 \
alsasrc num-buffers=20 ! flacenc ! identity ! \
fakesink
```
@ -478,14 +478,14 @@ fakesink
### Raise a warning if a leak is detected
```
GST_TRACERS="leaks" gst-launch-1.0 videotestsrc num-buffers=10 !
GST_TRACERS="leaks" gst-launch-1.0 videotestsrc num-buffers=10 ! \
fakesink
```
### check if any GstEvent or GstMessage is leaked and raise a warning
```
GST_DEBUG="GST_TRACER:7" GST_TRACERS="leaks(GstEvent,GstMessage)"
GST_DEBUG="GST_TRACER:7" GST_TRACERS="leaks(GstEvent,GstMessage)" \
gst-launch-1.0 videotestsrc num-buffers=10 ! fakesink
```