From: Kienan Stewart Date: Mon, 25 Mar 2024 13:40:29 +0000 (-0400) Subject: Fix: ASoC add component to set_bias_level events in linux 6.9-rc1 X-Git-Tag: v2.13.13~18 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=303434ab80e94caead73bc2102b7e68cb1ff4d27;p=lttng-modules.git Fix: ASoC add component to set_bias_level events in linux 6.9-rc1 See upstream commit: commit 6ef46a69ec32fe1cf56de67742fcd01af4bf48af Author: Luca Ceresoli Date: Wed Mar 6 10:30:00 2024 +0100 ASoC: trace: add component to set_bias_level trace events The snd_soc_bias_level_start and snd_soc_bias_level_done trace events currently look like: aplay-229 [000] 1250.140778: snd_soc_bias_level_start: card=vscn-2046 val=1 aplay-229 [000] 1250.140784: snd_soc_bias_level_done: card=vscn-2046 val=1 aplay-229 [000] 1250.140786: snd_soc_bias_level_start: card=vscn-2046 val=2 aplay-229 [000] 1250.140788: snd_soc_bias_level_done: card=vscn-2046 val=2 kworker/u8:1-21 [000] 1250.140871: snd_soc_bias_level_start: card=vscn-2046 val=1 kworker/u8:0-11 [000] 1250.140951: snd_soc_bias_level_start: card=vscn-2046 val=1 kworker/u8:0-11 [000] 1250.140956: snd_soc_bias_level_done: card=vscn-2046 val=1 kworker/u8:0-11 [000] 1250.140959: snd_soc_bias_level_start: card=vscn-2046 val=2 kworker/u8:0-11 [000] 1250.140961: snd_soc_bias_level_done: card=vscn-2046 val=2 kworker/u8:1-21 [000] 1250.167219: snd_soc_bias_level_done: card=vscn-2046 val=1 kworker/u8:1-21 [000] 1250.167222: snd_soc_bias_level_start: card=vscn-2046 val=2 kworker/u8:1-21 [000] 1250.167232: snd_soc_bias_level_done: card=vscn-2046 val=2 kworker/u8:0-11 [000] 1250.167440: snd_soc_bias_level_start: card=vscn-2046 val=3 kworker/u8:0-11 [000] 1250.167444: snd_soc_bias_level_done: card=vscn-2046 val=3 kworker/u8:1-21 [000] 1250.167497: snd_soc_bias_level_start: card=vscn-2046 val=3 kworker/u8:1-21 [000] 1250.167506: snd_soc_bias_level_done: card=vscn-2046 val=3 There are clearly multiple calls, one per component, but they cannot be discriminated from each other. Change the ftrace events to also print the component name, to make it clear which part of the code is involved. This requires changing the passed value from a struct snd_soc_card, where the DAPM context is not kwown, to a struct snd_soc_dapm_context where it is obviously known but the a card pointer is also available. With this change, the resulting trace becomes: aplay-247 [000] 1436.357332: snd_soc_bias_level_start: card=vscn-2046 component=(none) val=1 aplay-247 [000] 1436.357338: snd_soc_bias_level_done: card=vscn-2046 component=(none) val=1 aplay-247 [000] 1436.357340: snd_soc_bias_level_start: card=vscn-2046 component=(none) val=2 aplay-247 [000] 1436.357343: snd_soc_bias_level_done: card=vscn-2046 component=(none) val=2 kworker/u8:4-215 [000] 1436.357437: snd_soc_bias_level_start: card=vscn-2046 component=ff560000.codec val=1 kworker/u8:5-231 [000] 1436.357518: snd_soc_bias_level_start: card=vscn-2046 component=ff320000.i2s val=1 kworker/u8:5-231 [000] 1436.357523: snd_soc_bias_level_done: card=vscn-2046 component=ff320000.i2s val=1 kworker/u8:5-231 [000] 1436.357526: snd_soc_bias_level_start: card=vscn-2046 component=ff320000.i2s val=2 kworker/u8:5-231 [000] 1436.357528: snd_soc_bias_level_done: card=vscn-2046 component=ff320000.i2s val=2 kworker/u8:4-215 [000] 1436.383217: snd_soc_bias_level_done: card=vscn-2046 component=ff560000.codec val=1 kworker/u8:4-215 [000] 1436.383221: snd_soc_bias_level_start: card=vscn-2046 component=ff560000.codec val=2 kworker/u8:4-215 [000] 1436.383231: snd_soc_bias_level_done: card=vscn-2046 component=ff560000.codec val=2 kworker/u8:5-231 [000] 1436.383468: snd_soc_bias_level_start: card=vscn-2046 component=ff320000.i2s val=3 kworker/u8:5-231 [000] 1436.383472: snd_soc_bias_level_done: card=vscn-2046 component=ff320000.i2s val=3 kworker/u8:4-215 [000] 1436.383503: snd_soc_bias_level_start: card=vscn-2046 component=ff560000.codec val=3 kworker/u8:4-215 [000] 1436.383513: snd_soc_bias_level_done: card=vscn-2046 component=ff560000.codec val=3 Change-Id: I959f1680c002acdf29828b968d3975247f5433d8 Signed-off-by: Kienan Stewart Signed-off-by: Mathieu Desnoyers --- diff --git a/include/instrumentation/events/asoc.h b/include/instrumentation/events/asoc.h index a6b3d566..f6b2c76e 100644 --- a/include/instrumentation/events/asoc.h +++ b/include/instrumentation/events/asoc.h @@ -10,6 +10,7 @@ #include #define DAPM_DIRECT "(direct)" +#define DAPM_COMPONENT_NONE "(none)" #ifndef _TRACE_ASOC_DEF #define _TRACE_ASOC_DEF @@ -119,6 +120,40 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(asoc_snd_soc_preg, snd_soc_preg_read, ) #endif +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_dapm_context, + + TP_PROTO(struct snd_soc_dapm_context *dapm, int val), + + TP_ARGS(dapm, val), + + TP_FIELDS( + ctf_string(name, dapm->card->name) + ctf_string(component, dapm->component ? dapm->component->name : DAPM_COMPONENT_NONE) + ctf_integer(int, val, val) + ) +) + +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(asoc_snd_soc_dapm_context, snd_soc_bias_level_start, + + asoc_snd_soc_bias_level_start, + + TP_PROTO(struct snd_soc_dapm_context *dapm, int val), + + TP_ARGS(dapm, val) + +) + +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(asoc_snd_soc_dapm_context, snd_soc_bias_level_done, + + asoc_snd_soc_bias_level_done, + + TP_PROTO(struct snd_soc_dapm_context *dapm, int val), + + TP_ARGS(dapm, val) + +) +#else LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_card, TP_PROTO(struct snd_soc_card *card, int val), @@ -150,6 +185,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(asoc_snd_soc_card, snd_soc_bias_level_done, TP_ARGS(card, val) ) +#endif #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0)) LTTNG_TRACEPOINT_EVENT_CLASS(asoc_snd_soc_dapm_basic,