dumpstate: Dump eMMC 5.0 stats (8c8130eb) · Commits · e / devices / smdk4412 / android_frameworks_native

cmds/dumpstate/dumpstate.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -298,6 +298,7 @@ static void dumpstate() {
		dump_dev_files("TRUSTY VERSION", "/sys/bus/platform/drivers/trusty", "trusty_version");
		run_command("UPTIME", 10, "uptime", NULL);
		dump_files("UPTIME MMC PERF", mmcblk0, skip_not_stat, dump_stat_from_fd);
		dump_emmc_ecsd("/d/mmc0/mmc0:0001/ext_csd");
		dump_file("MEMORY INFO", "/proc/meminfo");
		run_command("CPU INFO", 10, "top", "-n", "1", "-d", "1", "-m", "30", "-H", NULL);
		run_command("PROCRANK", 20, SU_PATH, "root", "procrank", NULL);

cmds/dumpstate/dumpstate.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -84,4 +84,7 @@ void play_sound(const char *path);
		/* Implemented by libdumpstate_board to dump board-specific info */
		void dumpstate_board();

		/* dump eMMC Extended CSD data */
		void dump_emmc_ecsd(const char *ext_csd_path);

		#endif /* _DUMPSTATE_H_ */

cmds/dumpstate/dumpstate.rc

+5 −0

Original line number	Diff line number	Diff line
		on boot
		# Allow bugreports access to eMMC 5.0 stats
		chown root mount /sys/kernel/debug/mmc0/mmc0:0001/ext_csd
		chmod 0440 /sys/kernel/debug/mmc0/mmc0:0001/ext_csd

		service dumpstate /system/bin/dumpstate -s
		class main
		socket dumpstate stream 0660 shell log

cmds/dumpstate/utils.c

+117 −0

Original line number	Diff line number	Diff line
		@@ -778,3 +778,120 @@ void dump_route_tables() {
		}
		fclose(fp);
		}

		void dump_emmc_ecsd(const char *ext_csd_path) {
		static const size_t EXT_CSD_REV = 192;
		static const size_t EXT_PRE_EOL_INFO = 267;
		static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268;
		static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269;
		struct hex {
		char str[2];
		} buffer[512];
		int fd, ext_csd_rev, ext_pre_eol_info;
		ssize_t bytes_read;
		static const char *ver_str[] = {
		"4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0"
		};
		static const char *eol_str[] = {
		"Undefined",
		"Normal",
		"Warning (consumed 80% of reserve)",
		"Urgent (consumeed 90% of reserve)"
		};

		printf("------ %s Extended CSD ------\n", ext_csd_path);

		fd = TEMP_FAILURE_RETRY(open(ext_csd_path,
		O_RDONLY \| O_NONBLOCK \| O_CLOEXEC));
		if (fd < 0) {
		printf("*** %s: %s\n\n", ext_csd_path, strerror(errno));
		return;
		}

		bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
		close(fd);
		if (bytes_read < 0) {
		printf("*** %s: %s\n\n", ext_csd_path, strerror(errno));
		return;
		}
		if (bytes_read < (ssize_t)(EXT_CSD_REV * sizeof(hex))) {
		printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read);
		return;
		}

		ext_csd_rev = 0;
		if (sscanf(buffer[EXT_CSD_REV].str, "%02x", &ext_csd_rev) != 1) {
		printf("*** %s: EXT_CSD_REV parse error \"%.2s\"\n\n",
		ext_csd_path, buffer[EXT_CSD_REV].str);
		return;
		}

		printf("rev 1.%d (MMC %s)\n",
		ext_csd_rev,
		(ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ?
		ver_str[ext_csd_rev] :
		"Unknown");
		if (ext_csd_rev < 7) {
		printf("\n");
		return;
		}

		if (bytes_read < (ssize_t)(EXT_PRE_EOL_INFO * sizeof(hex))) {
		printf("*** %s: truncated content %zd\n\n", ext_csd_path, bytes_read);
		return;
		}

		ext_pre_eol_info = 0;
		if (sscanf(buffer[EXT_PRE_EOL_INFO].str, "%02x", &ext_pre_eol_info) != 1) {
		printf("*** %s: PRE_EOL_INFO parse error \"%.2s\"\n\n",
		ext_csd_path, buffer[EXT_PRE_EOL_INFO].str);
		return;
		}
		printf("PRE_EOL_INFO %d (MMC %s)\n",
		ext_pre_eol_info,
		eol_str[(ext_pre_eol_info < (int)
		(sizeof(eol_str) / sizeof(eol_str[0]))) ?
		ext_pre_eol_info : 0]);

		for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A;
		lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B;
		++lifetime) {
		int ext_device_life_time_est;
		static const char *est_str[] = {
		"Undefined",
		"0-10% of device lifetime used",
		"10-20% of device lifetime used",
		"20-30% of device lifetime used",
		"30-40% of device lifetime used",
		"40-50% of device lifetime used",
		"50-60% of device lifetime used",
		"60-70% of device lifetime used",
		"70-80% of device lifetime used",
		"80-90% of device lifetime used",
		"90-100% of device lifetime used",
		"Exceeded the maximum estimated device lifetime",
		};

		if (bytes_read < (ssize_t)(lifetime * sizeof(hex))) {
		printf("*** %s: truncated content %zd\n", ext_csd_path, bytes_read);
		break;
		}

		ext_device_life_time_est = 0;
		if (sscanf(buffer[lifetime].str, "%02x", &ext_device_life_time_est) != 1) {
		printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%.2s\"\n",
		ext_csd_path,
		(unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A',
		buffer[lifetime].str);
		continue;
		}
		printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n",
		(unsigned)(lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) + 'A',
		ext_device_life_time_est,
		est_str[(ext_device_life_time_est < (int)
		(sizeof(est_str) / sizeof(est_str[0]))) ?
		ext_device_life_time_est : 0]);
		}

		printf("\n");
		}