* [lttng-dev] [PATCH lttng-modules] Add new tracepoints for dma_fence
@ 2022-09-08 8:23 Rouven Czerwinski via lttng-dev
2022-09-23 15:46 ` Mathieu Desnoyers via lttng-dev
0 siblings, 1 reply; 2+ messages in thread
From: Rouven Czerwinski via lttng-dev @ 2022-09-08 8:23 UTC (permalink / raw)
To: lttng-dev; +Cc: Rouven Czerwinski
Allows usage of dma_fence tracepoints from lttng.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
---
include/instrumentation/events/dma_fence.h | 83 ++++++++++++++++++++++
src/probes/Kbuild | 7 ++
src/probes/lttng-probe-dma-fence.c | 32 +++++++++
3 files changed, 122 insertions(+)
create mode 100644 include/instrumentation/events/dma_fence.h
create mode 100644 src/probes/lttng-probe-dma-fence.c
diff --git a/include/instrumentation/events/dma_fence.h b/include/instrumentation/events/dma_fence.h
new file mode 100644
index 00000000..95d94ed5
--- /dev/null
+++ b/include/instrumentation/events/dma_fence.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM dma_fence
+
+#if !defined(LTTNG_TRACE_DMA_FENCE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_DMA_FENCE_H
+
+#include <lttng/tracepoint-event.h>
+
+LTTNG_TRACEPOINT_EVENT_CLASS(dma_fence_class,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence),
+
+ TP_FIELDS(
+ ctf_string(driver, fence->ops->get_driver_name(fence))
+ ctf_string(timeline, fence->ops->get_timeline_name(fence))
+ ctf_integer(unsigned int, context, fence->context)
+ ctf_integer(unsigned int, seqno, fence->seqno)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_emit,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_init,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_destroy,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_enable_signal,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_signaled,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_wait_start,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
+ dma_fence_wait_end,
+
+ TP_PROTO(struct dma_fence *fence),
+
+ TP_ARGS(fence)
+)
+
+#endif /* LTTNG_TRACE_DMA_FENCE_H */
+
+/* This part must be outside protection */
+#include <lttng/define_trace.h>
diff --git a/src/probes/Kbuild b/src/probes/Kbuild
index aa002534..7597389b 100644
--- a/src/probes/Kbuild
+++ b/src/probes/Kbuild
@@ -97,6 +97,13 @@ endif # CONFIG_X86
obj-$(CONFIG_LTTNG) += lttng-probe-signal.o
+ifneq ($(CONFIG_DMA_SHARED_BUFFER),)
+ obj-$(CONFIG_LTTNG) += $(shell \
+ if [ $(VERSION) -ge 5 \
+ -o \( $VERSION -eq 4 -a $(PATCHLEVEL) -ge 9 \) ] ; then \
+ echo "lttng-probe-dma-fence.o" ; fi;)
+endif # CONFIG_DMA_SHARED_BUFFER
+
ifneq ($(CONFIG_BLOCK),)
# need blk_cmd_buf_len
ifneq ($(CONFIG_EVENT_TRACING),)
diff --git a/src/probes/lttng-probe-dma-fence.c b/src/probes/lttng-probe-dma-fence.c
new file mode 100644
index 00000000..a6c9cd12
--- /dev/null
+++ b/src/probes/lttng-probe-dma-fence.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
+ *
+ * probes/lttng-probe-dma-fence.c
+ *
+ * LTTng dma-fence probes.
+ *
+ * Copyright (C) 2022 Pengutronix, Rouven Czerwinski <entwicklung@pengutronix.de>
+ */
+
+#include <linux/dma-fence.h>
+/*
+ * Create the tracepoint static inlines from the kernel to validate that our
+ * trace event macros match the kernel we run on.
+ */
+#include <trace/events/dma_fence.h>
+
+/*
+ * Create LTTng tracepoint probes.
+ */
+#define LTTNG_PACKAGE_BUILD
+#define CREATE_TRACE_POINTS
+#define TRACE_INCLUDE_PATH instrumentation/events
+
+#include <instrumentation/events/dma_fence.h>
+
+MODULE_LICENSE("GPL and additional rights");
+MODULE_AUTHOR("Rouven Czerwinski <r.czerwinski@pengutronix.de>");
+MODULE_DESCRIPTION("LTTng dma-fence probes");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+ __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+ __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+ LTTNG_MODULES_EXTRAVERSION);
--
2.37.2
_______________________________________________
lttng-dev mailing list
lttng-dev@lists.lttng.org
https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [lttng-dev] [PATCH lttng-modules] Add new tracepoints for dma_fence
2022-09-08 8:23 [lttng-dev] [PATCH lttng-modules] Add new tracepoints for dma_fence Rouven Czerwinski via lttng-dev
@ 2022-09-23 15:46 ` Mathieu Desnoyers via lttng-dev
0 siblings, 0 replies; 2+ messages in thread
From: Mathieu Desnoyers via lttng-dev @ 2022-09-23 15:46 UTC (permalink / raw)
To: Rouven Czerwinski, lttng-dev
On 2022-09-08 04:23, Rouven Czerwinski via lttng-dev wrote:
> Allows usage of dma_fence tracepoints from lttng.
>
Hi Rouven,
This patch looks good. Merged into the master branch of lttng-modules.
Thanks,
Mathieu
> Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
> ---
> include/instrumentation/events/dma_fence.h | 83 ++++++++++++++++++++++
> src/probes/Kbuild | 7 ++
> src/probes/lttng-probe-dma-fence.c | 32 +++++++++
> 3 files changed, 122 insertions(+)
> create mode 100644 include/instrumentation/events/dma_fence.h
> create mode 100644 src/probes/lttng-probe-dma-fence.c
>
> diff --git a/include/instrumentation/events/dma_fence.h b/include/instrumentation/events/dma_fence.h
> new file mode 100644
> index 00000000..95d94ed5
> --- /dev/null
> +++ b/include/instrumentation/events/dma_fence.h
> @@ -0,0 +1,83 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +#undef TRACE_SYSTEM
> +#define TRACE_SYSTEM dma_fence
> +
> +#if !defined(LTTNG_TRACE_DMA_FENCE_H) || defined(TRACE_HEADER_MULTI_READ)
> +#define LTTNG_TRACE_DMA_FENCE_H
> +
> +#include <lttng/tracepoint-event.h>
> +
> +LTTNG_TRACEPOINT_EVENT_CLASS(dma_fence_class,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence),
> +
> + TP_FIELDS(
> + ctf_string(driver, fence->ops->get_driver_name(fence))
> + ctf_string(timeline, fence->ops->get_timeline_name(fence))
> + ctf_integer(unsigned int, context, fence->context)
> + ctf_integer(unsigned int, seqno, fence->seqno)
> + )
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_emit,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_init,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_destroy,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_enable_signal,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_signaled,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_wait_start,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +LTTNG_TRACEPOINT_EVENT_INSTANCE(dma_fence_class,
> + dma_fence_wait_end,
> +
> + TP_PROTO(struct dma_fence *fence),
> +
> + TP_ARGS(fence)
> +)
> +
> +#endif /* LTTNG_TRACE_DMA_FENCE_H */
> +
> +/* This part must be outside protection */
> +#include <lttng/define_trace.h>
> diff --git a/src/probes/Kbuild b/src/probes/Kbuild
> index aa002534..7597389b 100644
> --- a/src/probes/Kbuild
> +++ b/src/probes/Kbuild
> @@ -97,6 +97,13 @@ endif # CONFIG_X86
>
> obj-$(CONFIG_LTTNG) += lttng-probe-signal.o
>
> +ifneq ($(CONFIG_DMA_SHARED_BUFFER),)
> + obj-$(CONFIG_LTTNG) += $(shell \
> + if [ $(VERSION) -ge 5 \
> + -o \( $VERSION -eq 4 -a $(PATCHLEVEL) -ge 9 \) ] ; then \
> + echo "lttng-probe-dma-fence.o" ; fi;)
> +endif # CONFIG_DMA_SHARED_BUFFER
> +
> ifneq ($(CONFIG_BLOCK),)
> # need blk_cmd_buf_len
> ifneq ($(CONFIG_EVENT_TRACING),)
> diff --git a/src/probes/lttng-probe-dma-fence.c b/src/probes/lttng-probe-dma-fence.c
> new file mode 100644
> index 00000000..a6c9cd12
> --- /dev/null
> +++ b/src/probes/lttng-probe-dma-fence.c
> @@ -0,0 +1,32 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
> + *
> + * probes/lttng-probe-dma-fence.c
> + *
> + * LTTng dma-fence probes.
> + *
> + * Copyright (C) 2022 Pengutronix, Rouven Czerwinski <entwicklung@pengutronix.de>
> + */
> +
> +#include <linux/dma-fence.h>
> +/*
> + * Create the tracepoint static inlines from the kernel to validate that our
> + * trace event macros match the kernel we run on.
> + */
> +#include <trace/events/dma_fence.h>
> +
> +/*
> + * Create LTTng tracepoint probes.
> + */
> +#define LTTNG_PACKAGE_BUILD
> +#define CREATE_TRACE_POINTS
> +#define TRACE_INCLUDE_PATH instrumentation/events
> +
> +#include <instrumentation/events/dma_fence.h>
> +
> +MODULE_LICENSE("GPL and additional rights");
> +MODULE_AUTHOR("Rouven Czerwinski <r.czerwinski@pengutronix.de>");
> +MODULE_DESCRIPTION("LTTng dma-fence probes");
> +MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
> + __stringify(LTTNG_MODULES_MINOR_VERSION) "."
> + __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
> + LTTNG_MODULES_EXTRAVERSION);
--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com
_______________________________________________
lttng-dev mailing list
lttng-dev@lists.lttng.org
https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-09-23 15:45 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-09-08 8:23 [lttng-dev] [PATCH lttng-modules] Add new tracepoints for dma_fence Rouven Czerwinski via lttng-dev
2022-09-23 15:46 ` Mathieu Desnoyers via lttng-dev
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).