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// 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);
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