1 files changed, 154 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/common.h b/tools/tracing/rtla/src/common.h
new file mode 100644
index 000000000000..355f113a14a3
--- /dev/null
+++ b/tools/tracing/rtla/src/common.h
@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#pragma once
+
+#include "actions.h"
+#include "timerlat_u.h"
+#include "trace.h"
+#include "utils.h"
+
+/*
+ * osnoise_context - read, store, write, restore osnoise configs.
+ */
+struct osnoise_context {
+	int			flags;
+	int			ref;
+
+	char			*curr_cpus;
+	char			*orig_cpus;
+
+	/* 0 as init value */
+	unsigned long long	orig_runtime_us;
+	unsigned long long	runtime_us;
+
+	/* 0 as init value */
+	unsigned long long	orig_period_us;
+	unsigned long long	period_us;
+
+	/* 0 as init value */
+	long long		orig_timerlat_period_us;
+	long long		timerlat_period_us;
+
+	/* 0 as init value */
+	long long		orig_tracing_thresh;
+	long long		tracing_thresh;
+
+	/* -1 as init value because 0 is disabled */
+	long long		orig_stop_us;
+	long long		stop_us;
+
+	/* -1 as init value because 0 is disabled */
+	long long		orig_stop_total_us;
+	long long		stop_total_us;
+
+	/* -1 as init value because 0 is disabled */
+	long long		orig_print_stack;
+	long long		print_stack;
+
+	/* -1 as init value because 0 is off */
+	int			orig_opt_irq_disable;
+	int			opt_irq_disable;
+
+	/* -1 as init value because 0 is off */
+	int			orig_opt_workload;
+	int			opt_workload;
+};
+
+extern struct trace_instance *trace_inst;
+extern int stop_tracing;
+
+struct hist_params {
+	char			no_irq;
+	char			no_thread;
+	char			no_header;
+	char			no_summary;
+	char			no_index;
+	char			with_zeros;
+	int			bucket_size;
+	int			entries;
+};
+
+/*
+ * common_params - Parameters shared between timerlat_params and osnoise_params
+ */
+struct common_params {
+	/* trace configuration */
+	char			*cpus;
+	cpu_set_t		monitored_cpus;
+	struct trace_events	*events;
+	int			buffer_size;
+
+	/* Timing parameters */
+	int			warmup;
+	long long		stop_us;
+	long long		stop_total_us;
+	int			sleep_time;
+	int			duration;
+
+	/* Scheduling parameters */
+	int			set_sched;
+	struct sched_attr	sched_param;
+	int			cgroup;
+	char			*cgroup_name;
+	int			hk_cpus;
+	cpu_set_t		hk_cpu_set;
+
+	/* Other parameters */
+	struct hist_params	hist;
+	int			output_divisor;
+	int			pretty_output;
+	int			quiet;
+	int			user_workload;
+	int			kernel_workload;
+	int			user_data;
+	int			aa_only;
+
+	struct actions		threshold_actions;
+	struct actions		end_actions;
+	struct timerlat_u_params user;
+};
+
+struct tool_ops;
+
+/*
+ * osnoise_tool -  osnoise based tool definition.
+ *
+ * Only the "trace" and "context" fields are used for
+ * the additional trace instances (record and aa).
+ */
+struct osnoise_tool {
+	struct tool_ops			*ops;
+	struct trace_instance		trace;
+	struct osnoise_context		*context;
+	void				*data;
+	struct common_params		*params;
+	time_t				start_time;
+	struct osnoise_tool		*record;
+	struct osnoise_tool		*aa;
+};
+
+struct tool_ops {
+	const char *tracer;
+	const char *comm_prefix;
+	struct common_params *(*parse_args)(int argc, char *argv[]);
+	struct osnoise_tool *(*init_tool)(struct common_params *params);
+	int (*apply_config)(struct osnoise_tool *tool);
+	int (*enable)(struct osnoise_tool *tool);
+	int (*main)(struct osnoise_tool *tool);
+	void (*print_stats)(struct osnoise_tool *tool);
+	void (*analyze)(struct osnoise_tool *tool, bool stopped);
+	void (*free)(struct osnoise_tool *tool);
+};
+
+int osnoise_set_cpus(struct osnoise_context *context, char *cpus);
+void osnoise_restore_cpus(struct osnoise_context *context);
+
+int osnoise_set_workload(struct osnoise_context *context, bool onoff);
+
+void osnoise_destroy_tool(struct osnoise_tool *top);
+struct osnoise_tool *osnoise_init_tool(char *tool_name);
+struct osnoise_tool *osnoise_init_trace_tool(const char *tracer);
+bool osnoise_trace_is_off(struct osnoise_tool *tool, struct osnoise_tool *record);
+
+int common_apply_config(struct osnoise_tool *tool, struct common_params *params);
+int top_main_loop(struct osnoise_tool *tool);
+int hist_main_loop(struct osnoise_tool *tool);