diff options
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-modules/0002-Fix-ASoC-add-component-to-set_bias_level-events-in-l.patch')
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-modules/0002-Fix-ASoC-add-component-to-set_bias_level-events-in-l.patch | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-ASoC-add-component-to-set_bias_level-events-in-l.patch b/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-ASoC-add-component-to-set_bias_level-events-in-l.patch new file mode 100644 index 0000000000..6ea10ffc91 --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-modules/0002-Fix-ASoC-add-component-to-set_bias_level-events-in-l.patch @@ -0,0 +1,132 @@ +From d8379ec6365a925db33cae94fb6783cdbdb6a922 Mon Sep 17 00:00:00 2001 +From: Kienan Stewart <kstewart@efficios.com> +Date: Mon, 25 Mar 2024 09:40:29 -0400 +Subject: [PATCH 2/4] Fix: ASoC add component to set_bias_level events in linux + 6.9-rc1 + +See upstream commit: + + commit 6ef46a69ec32fe1cf56de67742fcd01af4bf48af + Author: Luca Ceresoli <luca.ceresoli@bootlin.com> + 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 + +Upstream-Status: Backport [303434ab Fix: ASoC add component to set_bias_level events in linux 6.9-rc1] + +Change-Id: I959f1680c002acdf29828b968d3975247f5433d8 +Signed-off-by: Kienan Stewart <kstewart@efficios.com> +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +--- + include/instrumentation/events/asoc.h | 36 +++++++++++++++++++++++++++ + 1 file changed, 36 insertions(+) + +Index: lttng-modules-2.13.12/include/instrumentation/events/asoc.h +=================================================================== +--- lttng-modules-2.13.12.orig/include/instrumentation/events/asoc.h ++++ lttng-modules-2.13.12/include/instrumentation/events/asoc.h +@@ -10,6 +10,7 @@ + #include <lttng/kernel-version.h> + + #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 + ) + #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 + 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, |