diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2024-06-24 07:08:54 +0900 |
|---|---|---|
| committer | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2024-06-25 07:31:38 +0900 |
| commit | 4e64210f67126e77d54ffcd3297a87539b858322 (patch) | |
| tree | 800b3bc888fd708f4d2a86dec3085445b05c6515 /drivers/firewire | |
| parent | 9f16ac725b233c53e2a043aa8d1b6f0453e94556 (diff) | |
firewire: core: add tracepoints events for starting/stopping of isochronous context
It is helpful to trace the starting and stopping of isochronous context
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/20240623220859.851685-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-iso.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 7ec84de846e6..49feb4c28224 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -171,6 +171,10 @@ EXPORT_SYMBOL(fw_iso_context_destroy); int fw_iso_context_start(struct fw_iso_context *ctx, int cycle, int sync, int tags) { + trace_isoc_outbound_start(ctx, cycle); + trace_isoc_inbound_single_start(ctx, cycle, sync, tags); + trace_isoc_inbound_multiple_start(ctx, cycle, sync, tags); + return ctx->card->driver->start_iso(ctx, cycle, sync, tags); } EXPORT_SYMBOL(fw_iso_context_start); @@ -205,6 +209,10 @@ EXPORT_SYMBOL(fw_iso_context_flush_completions); int fw_iso_context_stop(struct fw_iso_context *ctx) { + trace_isoc_outbound_stop(ctx); + trace_isoc_inbound_single_stop(ctx); + trace_isoc_inbound_multiple_stop(ctx); + return ctx->card->driver->stop_iso(ctx); } EXPORT_SYMBOL(fw_iso_context_stop); |