stats: Add a stats shell command (fc34338d) · Commits · Wenxi XU / zephyr

samples/subsys/shell/shell_module/prj.conf

+2 −0

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		@@ -12,3 +12,5 @@ CONFIG_POSIX_CLOCK=y
		CONFIG_DATE_SHELL=y
		CONFIG_THREAD_RUNTIME_STATS=y
		CONFIG_THREAD_RUNTIME_STATS_USE_TIMING_FUNCTIONS=y
		CONFIG_STATS=y
		CONFIG_STATS_SHELL=y

+1 −0

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		# SPDX-License-Identifier: Apache-2.0

		zephyr_sources_ifdef(CONFIG_STATS stats.c)
		zephyr_sources_ifdef(CONFIG_STATS_SHELL stats_shell.c)

+9 −0

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		@@ -17,3 +17,12 @@ config STATS_NAMES
		setting is disabled, statistics are assigned generic names of the
		form "s0", "s1", etc. Enabling this setting simplifies debugging,
		but results in a larger code size.

		config STATS_SHELL
		bool "Statistics Shell Command"
		depends on STATS && SHELL
		help
		Include a full name string for each statistic in the build. If this
		setting is disabled, statistics are assigned generic names of the
		form "s0", "s1", etc. Enabling this setting simplifies debugging,
		but results in a larger code size.

0 → 100644

+51 −0

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		/*
		* Copyright (c) 2021 Intel Corporation
		*
		* SPDX-License-Identifier: Apache-2.0
		*/

		#include <shell/shell.h>
		#include <stats/stats.h>

		static int stats_cb(struct stats_hdr hdr, void arg, const char *name, uint16_t off)
		{
		struct shell *sh = arg;
		void addr = (uint8_t )hdr + off;
		uint64_t val = 0;

		switch (hdr->s_size) {
		case sizeof(uint16_t):
		val = (uint16_t )(addr);
		break;

		case sizeof(uint32_t):
		val = (uint32_t )(addr);
		break;
		case sizeof(uint64_t):
		val = (uint64_t )(addr);
		break;
		}
		shell_print(sh, "\t%s (offset: %u, addr: %p): %llu", name, off, addr, val);
		return 0;
		}

		static int stats_group_cb(struct stats_hdr hdr, void arg)
		{
		struct shell *sh = arg;

		shell_print(sh, "Stats Group %s (hdr addr: %x)", hdr->s_name, (void *)hdr);
		return stats_walk(hdr, stats_cb, arg);
		}

		static int cmd_stats_list(const struct shell *sh, size_t argc,
		char **argv)
		{
		return stats_group_walk(stats_group_cb, (struct shell *)sh);
		}

		SHELL_STATIC_SUBCMD_SET_CREATE(sub_stats,
		SHELL_CMD(list, NULL, "List stats", cmd_stats_list),
		SHELL_SUBCMD_SET_END /* Array terminated. */
		);

		SHELL_CMD_REGISTER(stats, &sub_stats, "Stats commands", NULL);