Date: Fri, 9 Dec 2016 23:37:14 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r309777 - head/sbin/nvmecontrol Message-ID: <201612092337.uB9NbE7r028214@repo.freebsd.org>
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Author: imp Date: Fri Dec 9 23:37:14 2016 New Revision: 309777 URL: https://svnweb.freebsd.org/changeset/base/309777 Log: Implement Intel's log page 0xc1 (Read Command Latency Log) and page 0xc1 (Write Command Latency Log). Sponsored By: Netflix, Inc Modified: head/sbin/nvmecontrol/logpage.c Modified: head/sbin/nvmecontrol/logpage.c ============================================================================== --- head/sbin/nvmecontrol/logpage.c Fri Dec 9 23:37:11 2016 (r309776) +++ head/sbin/nvmecontrol/logpage.c Fri Dec 9 23:37:14 2016 (r309777) @@ -324,6 +324,47 @@ print_intel_temp_stats(void *buf, uint32 printf("Estimated Temperature Offset: %ju C/K\n", (uintmax_t)temp->est_offset); } +/* + * Format from Table 22, section 5.7 IO Command Latency Statistics. + * Read and write stats pages have identical encoding. + */ +static void +print_intel_read_write_lat_log(void *buf, uint32_t size __unused) +{ + const char *walker = buf; + int i; + + printf("Major: %d\n", le16dec(walker + 0)); + printf("Minor: %d\n", le16dec(walker + 2)); + for (i = 0; i < 32; i++) + printf("%4dus-%4dus: %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 4 + i * 4)); + for (i = 1; i < 32; i++) + printf("%4dms-%4dms: %ju\n", i, i + 1, (uintmax_t)le32dec(walker + 132 + i * 4)); + for (i = 1; i < 32; i++) + printf("%4dms-%4dms: %ju\n", i * 32, (i + 1) * 32, (uintmax_t)le32dec(walker + 256 + i * 4)); +} + +static void +print_intel_read_lat_log(void *buf, uint32_t size) +{ + + printf("Intel Read Latency Log\n"); + printf("======================\n"); + print_intel_read_write_lat_log(buf, size); +} + +static void +print_intel_write_lat_log(void *buf, uint32_t size) +{ + + printf("Intel Write Latency Log\n"); + printf("=======================\n"); + print_intel_read_write_lat_log(buf, size); +} + +/* + * Table 19. 5.4 SMART Attributes + */ static void print_intel_add_smart(void *buf, uint32_t size __unused) { @@ -803,11 +844,15 @@ static struct logpage_function { sizeof(struct nvme_health_information_page)}, {NVME_LOG_FIRMWARE_SLOT, NULL, print_log_firmware, sizeof(struct nvme_firmware_page)}, + {HGST_INFO_LOG, "hgst", print_hgst_info_log, + DEFAULT_SIZE}, {INTEL_LOG_TEMP_STATS, "intel", print_intel_temp_stats, sizeof(struct intel_log_temp_stats)}, - {INTEL_LOG_ADD_SMART, "intel", print_intel_add_smart, + {INTEL_LOG_READ_LAT_LOG, "intel", print_intel_read_lat_log, DEFAULT_SIZE}, - {HGST_INFO_LOG, "hgst", print_hgst_info_log, + {INTEL_LOG_WRITE_LAT_LOG, "intel", print_intel_write_lat_log, + DEFAULT_SIZE}, + {INTEL_LOG_ADD_SMART, "intel", print_intel_add_smart, DEFAULT_SIZE}, {0, NULL, NULL, 0}, };
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