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Diffstat (limited to 'tools/tracing/rtla/src/timerlat.h')
| -rw-r--r-- | tools/tracing/rtla/src/timerlat.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/timerlat.h b/tools/tracing/rtla/src/timerlat.h new file mode 100644 index 000000000000..fd6065f48bb7 --- /dev/null +++ b/tools/tracing/rtla/src/timerlat.h @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "osnoise.h" + +/* + * Define timerlat tracing mode. + * + * There are three tracing modes: + * - tracefs-only, used when BPF is unavailable. + * - BPF-only, used when BPF is available and neither trace saving nor + * auto-analysis are enabled. + * - mixed mode, used when BPF is available and either trace saving or + * auto-analysis is enabled (which rely on sample collection through + * tracefs). + */ +enum timerlat_tracing_mode { + TRACING_MODE_BPF, + TRACING_MODE_TRACEFS, + TRACING_MODE_MIXED, +}; + +struct timerlat_params { + struct common_params common; + long long timerlat_period_us; + long long print_stack; + int dma_latency; + int no_aa; + int dump_tasks; + int deepest_idle_state; + enum timerlat_tracing_mode mode; +}; + +#define to_timerlat_params(ptr) container_of(ptr, struct timerlat_params, common) + +int timerlat_apply_config(struct osnoise_tool *tool, struct timerlat_params *params); +int timerlat_main(int argc, char *argv[]); +int timerlat_enable(struct osnoise_tool *tool); +void timerlat_analyze(struct osnoise_tool *tool, bool stopped); +void timerlat_free(struct osnoise_tool *tool); + |