diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2024-06-24 07:08:52 +0900 |
|---|---|---|
| committer | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2024-06-25 07:31:38 +0900 |
| commit | 25e6e00d3f78d73c30ee78fee8060cf68908be50 (patch) | |
| tree | 21de4e5b9e71e802754c3b8980a86fcd3d745ecc /drivers | |
| parent | ae24ba769b5c108b00cdf49ed39b189eb012fbb8 (diff) | |
firewire: core: add tracepoints events for allocation/deallocation of isochronous context
It is helpful to trace the allocation and dealocation of isochronous
when the core function is requested them by both in-kernel unit drivers
and userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firewire/core-iso.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index af70e74f9a7e..ddb999297c72 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -22,6 +22,8 @@ #include "core.h" +#include <trace/events/firewire.h> + /* * Isochronous DMA context management */ @@ -148,12 +150,20 @@ struct fw_iso_context *fw_iso_context_create(struct fw_card *card, ctx->callback.sc = callback; ctx->callback_data = callback_data; + trace_isoc_outbound_allocate(ctx, channel, speed); + trace_isoc_inbound_single_allocate(ctx, channel, header_size); + trace_isoc_inbound_multiple_allocate(ctx); + return ctx; } EXPORT_SYMBOL(fw_iso_context_create); void fw_iso_context_destroy(struct fw_iso_context *ctx) { + trace_isoc_outbound_destroy(ctx); + trace_isoc_inbound_single_destroy(ctx); + trace_isoc_inbound_multiple_destroy(ctx); + ctx->card->driver->free_iso_context(ctx); } EXPORT_SYMBOL(fw_iso_context_destroy); |