tools/tracing/rtla/tests/unit/timerlat_top_cli.c

Source file repositories/reference/linux-study-clean/tools/tracing/rtla/tests/unit/timerlat_top_cli.c

File Facts

System
Linux kernel
Corpus path
tools/tracing/rtla/tests/unit/timerlat_top_cli.c
Extension
.c
Size
13951 bytes
Lines
655
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0

#define _GNU_SOURCE
#include <check.h>
#include <stdio.h>
#include <stdlib.h>
#include <sched.h>
#include <limits.h>
#include <unistd.h>
#include <sys/sysinfo.h>

#include <linux/container_of.h>

#include "cli_params_assert.h"
#include "../../src/cli.h"

#define PARSE_ARGS(...) char *argv[] = { __VA_ARGS__, NULL  };\
			int argc = sizeof(argv) / sizeof(char *) - 1;\
			struct common_params *params =\
				timerlat_top_parse_args(argc, argv);\
			struct timerlat_params *tlat_params __maybe_unused =\
				to_timerlat_params(params)

/* Tracing Options */

START_TEST(test_irq_short)
{
	PARSE_ARGS("timerlat", "top", "-i", "20");

	ck_assert_int_eq(params->stop_us, 20);
}
END_TEST

START_TEST(test_irq_long)
{
	PARSE_ARGS("timerlat", "top", "--irq", "20");

	ck_assert_int_eq(params->stop_us, 20);
}
END_TEST

START_TEST(test_period_short)
{
	PARSE_ARGS("timerlat", "top", "-p", "200");

	ck_assert_int_eq(tlat_params->timerlat_period_us, 200);
}
END_TEST

START_TEST(test_period_long)
{
	PARSE_ARGS("timerlat", "top", "--period", "200");

	ck_assert_int_eq(tlat_params->timerlat_period_us, 200);
}
END_TEST

START_TEST(test_stack_short)
{
	PARSE_ARGS("timerlat", "top", "-s", "20");

	ck_assert_int_eq(tlat_params->print_stack, 20);
}
END_TEST

START_TEST(test_stack_long)
{
	PARSE_ARGS("timerlat", "top", "--stack", "20");

	ck_assert_int_eq(tlat_params->print_stack, 20);
}
END_TEST

START_TEST(test_thread_short)
{
	PARSE_ARGS("timerlat", "top", "-T", "20");

	ck_assert_int_eq(params->stop_total_us, 20);
}
END_TEST

START_TEST(test_thread_long)
{
	PARSE_ARGS("timerlat", "top", "--thread", "20");

	ck_assert_int_eq(params->stop_total_us, 20);
}
END_TEST

/* Event Configuration */

Annotation

Implementation Notes