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fcoe-utils
0012-fcoeadm-Use-internal-sysfs-lib-to-display-...
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File 0012-fcoeadm-Use-internal-sysfs-lib-to-display-port-stati.patch of Package fcoe-utils
From e232665eecb7d1d0de47ebedc42c2c8eeb9cb360 Mon Sep 17 00:00:00 2001 Message-Id: <e232665eecb7d1d0de47ebedc42c2c8eeb9cb360.1439372158.git.jthumshirn@suse.de> In-Reply-To: <cover.1439372158.git.jthumshirn@suse.de> References: <cover.1439372158.git.jthumshirn@suse.de> From: Johannes Thumshirn <jthumshirn@suse.de> Date: Thu, 6 Aug 2015 11:09:29 +0200 Subject: [PATCH 4/9] fcoeadm: Use internal sysfs lib to display port statistics Use internal sysfs lib to display port statistics via fcoeadm -s <ethX> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> --- fcoeadm_display.c | 253 +++++++++------------------------------------------- include/sysfs_hba.h | 17 ++++ lib/sysfs_hba.c | 37 +++++++- 3 files changed, 95 insertions(+), 212 deletions(-) diff --git a/fcoeadm_display.c b/fcoeadm_display.c index 80b2eb9..831a73e 100644 --- a/fcoeadm_display.c +++ b/fcoeadm_display.c @@ -514,231 +514,59 @@ static void show_port_stats_header(const char *ifname, int interval) } static void -show_port_stats_in_row(HBA_INT64 start_time, - HBA_PORTSTATISTICS *port_stats, - HBA_FC4STATISTICS *port_fc4stats) -{ - printf("%-7lld ", port_stats->SecondsSinceLastReset - start_time); - printf("%-9lld ", port_stats->TxFrames); - printf("%-12lld ", port_stats->TxWords * FCOE_WORD_TO_BYTE); - printf("%-9lld ", port_stats->RxFrames); - printf("%-14lld ", port_stats->RxWords * FCOE_WORD_TO_BYTE); - printf("%-4lld ", port_stats->ErrorFrames); - printf("%-4lld ", port_stats->InvalidCRCCount); - printf("%-4lld ", port_stats->InvalidTxWordCount * FCOE_WORD_TO_BYTE); - printf("%-4lld ", port_stats->LinkFailureCount); - printf("%-4lld ", port_fc4stats->ControlRequests); - printf("%-9lld ", port_fc4stats->InputRequests); - printf("%-9lld ", port_fc4stats->InputMegabytes); - printf("%-9lld ", port_fc4stats->OutputRequests); - printf("%-9lld ", port_fc4stats->OutputMegabytes); +show_port_stats_in_row(uint64_t start_time, + struct port_statistics *port_stats) + +{ + printf("%-7"PRIu64" ", port_stats->seconds_since_last_reset - start_time); + printf("%-9"PRIu64" ", port_stats->tx_frames); + printf("%-12"PRIu64" ", port_stats->tx_words * FCOE_WORD_TO_BYTE); + printf("%-9"PRIu64" ", port_stats->rx_frames); + printf("%-14"PRIu64" ", port_stats->rx_words * FCOE_WORD_TO_BYTE); + printf("%-4"PRIu64" ", port_stats->error_frames); + printf("%-4"PRIu64" ", port_stats->invalid_crc_count); + printf("%-4"PRIu64" ", port_stats->invalid_tx_word_count * FCOE_WORD_TO_BYTE); + printf("%-4"PRIu64" ", port_stats->link_failure_count); + printf("%-4"PRIu64" ", port_stats->fcp_control_requests); + printf("%-9"PRIu64" ", port_stats->fcp_input_requests); + printf("%-9"PRIu64" ", port_stats->fcp_input_megabytes); + printf("%-9"PRIu64" ", port_stats->fcp_output_requests); + printf("%-9"PRIu64" ", port_stats->fcp_output_megabytes); printf("\n"); } -static void hba_table_list_destroy(struct hba_name_table_list *hba_table_list) -{ - int i; - - if (!hba_table_list) - return; - - for (i = 0 ; i < hba_table_list->hba_count ; i++) - HBA_CloseAdapter(hba_table_list->hba_table[i].hba_handle); - - free(hba_table_list); - hba_table_list = NULL; -} - -static enum fcoe_status fcoeadm_loadhba(void) -{ - if (HBA_STATUS_OK != HBA_LoadLibrary()) - return EHBAAPIERR; - - return SUCCESS; -} - -/* - * This routine leaves all adapters fd's open. - */ -static int hba_table_list_init(struct hba_name_table_list **hba_table_list) -{ - HBA_STATUS retval; - char namebuf[1024]; - int i, num_hbas = 0; - struct hba_name_table_list *hba_table_list_temp = NULL; - struct hba_name_table *hba_table = NULL; - int size = 0; - - num_hbas = HBA_GetNumberOfAdapters(); - if (!num_hbas) { - fprintf(stderr, "No FCoE interfaces created.\n"); - return num_hbas; - } - - size = sizeof(struct hba_name_table_list) + \ - (num_hbas - 1)*sizeof(struct hba_name_table); - - hba_table_list_temp = (struct hba_name_table_list *)calloc(1, size); - if (!hba_table_list_temp) { - fprintf(stderr, - "Failure allocating memory.\n"); - return -1; - } - - hba_table_list_temp->hba_count = num_hbas; - - /* - * Fill out the HBA table. - */ - for (i = 0; i < num_hbas ; i++) { - retval = HBA_GetAdapterName(i, namebuf); - if (retval != HBA_STATUS_OK) { - fprintf(stderr, - "Failure of HBA_GetAdapterName: %d\n", retval); - continue; - } - - hba_table = &hba_table_list_temp->hba_table[i]; - hba_table->hba_handle = HBA_OpenAdapter(namebuf); - if (!hba_table->hba_handle) { - hba_table->failed = 1; - fprintf(stderr, "HBA_OpenAdapter failed\n"); - perror("HBA_OpenAdapter"); - continue; - } - - retval = HBA_GetAdapterAttributes(hba_table->hba_handle, - &hba_table->hba_attrs); - if (retval != HBA_STATUS_OK) { - HBA_CloseAdapter(hba_table->hba_handle); - hba_table->failed = 1; - fprintf(stderr, - "HBA_GetAdapterAttributes failed, retval=%d\n", - retval); - perror("HBA_GetAdapterAttributes"); - continue; - } - - retval = HBA_GetAdapterPortAttributes(hba_table->hba_handle, - 0, - &hba_table->port_attrs); - if (retval != HBA_STATUS_OK) { - HBA_CloseAdapter(hba_table->hba_handle); - hba_table->failed = 1; - fprintf(stderr, - "HBA_GetAdapterPortAttributes failed, " - "retval=%d\n", retval); - continue; - } - } - - *hba_table_list = hba_table_list_temp; - - return num_hbas; -} - -/* - * This routine expects a valid interface name. - */ -static int get_index_for_ifname(struct hba_name_table_list *hba_table_list, - const char *ifname) -{ - HBA_PORTATTRIBUTES *port_attrs; - int i; - - for (i = 0 ; i < hba_table_list->hba_count ; i++) { - - port_attrs = &hba_table_list->hba_table[i].port_attrs; - - if (!check_symbolic_name_for_interface( - port_attrs->PortSymbolicName, - ifname)) - return i; - } - - return -EINVAL; -} - enum fcoe_status display_port_stats(const char *ifname, int interval) { - HBA_STATUS retval; - HBA_HANDLE hba_handle; - HBA_PORTATTRIBUTES *port_attrs; - HBA_PORTSTATISTICS port_stats; - HBA_FC4STATISTICS port_fc4stats; - HBA_INT64 start_time = 0; - struct hba_name_table_list *hba_table_list = NULL; - enum fcoe_status rc = SUCCESS; + struct port_statistics *port_stats; + enum fcoe_status rc = EINTERR; + uint64_t start_time = 0; + char *host; int i, num_hbas; - if (fcoeadm_loadhba()) - return EHBAAPIERR; - - num_hbas = hba_table_list_init(&hba_table_list); - if (!num_hbas) - goto out; - - if (num_hbas < 0) { - rc = EINTERR; - goto out; - } - - i = get_index_for_ifname(hba_table_list, ifname); - - /* - * Return error code if a valid index wasn't returned. - */ - if (i < 0) { - hba_table_list_destroy(hba_table_list); - HBA_FreeLibrary(); - return EHBAAPIERR; - } + num_hbas = get_number_of_adapters(); + if (num_hbas < 0) + return rc; - hba_handle = hba_table_list->hba_table[i].hba_handle; - port_attrs = &hba_table_list->hba_table[i].port_attrs; + host = get_host_from_netdev(ifname); + if (!host) + return rc; i = 0; while (1) { unsigned int secs_left; - retval = HBA_GetPortStatistics(hba_handle, - 0, &port_stats); - if (retval != HBA_STATUS_OK && - retval != HBA_STATUS_ERROR_NOT_SUPPORTED) { - fprintf(stderr, - "HBA_GetPortStatistics failed, status=%d\n", - retval); - break; - } - if (retval == HBA_STATUS_ERROR_NOT_SUPPORTED) { - fprintf(stderr, - "Port Statistics not supported by %s\n", - ifname); - break; - } + port_stats = get_port_statistics(host); + if (!port_stats) + goto free_host; + if (!start_time) - start_time = port_stats.SecondsSinceLastReset; - - retval = HBA_GetFC4Statistics(hba_handle, - port_attrs->PortWWN, - FC_TYPE_FCP, - &port_fc4stats); - if (retval != HBA_STATUS_OK && - retval != HBA_STATUS_ERROR_NOT_SUPPORTED) { - fprintf(stderr, "HBA_GetFC4Statistics failed, " - "status=%d\n", retval); - break; - } - if (retval == HBA_STATUS_ERROR_NOT_SUPPORTED) { - fprintf(stderr, - "Port FC4 Statistics not supported by %s\n", - ifname); - break; - } + start_time = port_stats->seconds_since_last_reset; + if (!(i % 52)) show_port_stats_header(ifname, interval); - show_port_stats_in_row(start_time, &port_stats, &port_fc4stats); + + show_port_stats_in_row(start_time, port_stats); i++; /* wait for the requested time interval in seconds */ @@ -748,9 +576,12 @@ enum fcoe_status display_port_stats(const char *ifname, int interval) } while (secs_left); } - hba_table_list_destroy(hba_table_list); -out: - HBA_FreeLibrary(); + rc = SUCCESS; + free(port_stats); + +free_host: + free(host); + return rc; } diff --git a/include/sysfs_hba.h b/include/sysfs_hba.h index ff6dbaf..6cb926a 100644 --- a/include/sysfs_hba.h +++ b/include/sysfs_hba.h @@ -57,9 +57,26 @@ struct hba_info { uint32_t nports; }; +struct port_statistics { + uint64_t seconds_since_last_reset; + uint64_t tx_frames; + uint64_t tx_words; + uint64_t rx_frames; + uint64_t rx_words; + uint64_t error_frames; + uint64_t invalid_crc_count; + uint64_t invalid_tx_word_count; + uint64_t link_failure_count; + uint64_t fcp_control_requests; + uint64_t fcp_input_requests; + uint64_t fcp_input_megabytes; + uint64_t fcp_output_requests; + uint64_t fcp_output_megabytes; +}; int get_number_of_adapters(void); struct hba_info *get_hbainfo_by_pcidev(const char *pcidev); +struct port_statistics *get_port_statistics(const char *host); struct port_attributes *get_port_attribs(const char *host); struct port_attributes *get_port_attribs_by_device(char *path); struct port_attributes *get_rport_attribs(const char *rport); diff --git a/lib/sysfs_hba.c b/lib/sysfs_hba.c index 0da55df..7ecd399 100644 --- a/lib/sysfs_hba.c +++ b/lib/sysfs_hba.c @@ -290,13 +290,48 @@ free_path: return pa; } +struct port_statistics *get_port_statistics(const char *host) +{ + struct port_statistics *ps; + char *path; + int err; + + err = asprintf(&path, "%s/%s/statistics/", SYSFS_HOST_DIR, host); + if (err == -1) + return NULL; + + ps = calloc(1, sizeof(*ps)); + if (!ps) + goto free_path; + + sa_sys_read_u64(path, "seconds_since_last_reset", &ps->seconds_since_last_reset); + sa_sys_read_u64(path, "tx_frames", &ps->tx_frames); + sa_sys_read_u64(path, "tx_words", &ps->tx_words); + sa_sys_read_u64(path, "rx_frames", &ps->rx_frames); + sa_sys_read_u64(path, "rx_words", &ps->rx_words); + sa_sys_read_u64(path, "error_frames", &ps->error_frames); + sa_sys_read_u64(path, "invalid_crc_count", &ps->invalid_crc_count); + sa_sys_read_u64(path, "invalid_tx_word_count", &ps->invalid_tx_word_count); + sa_sys_read_u64(path, "link_failure_count", &ps->link_failure_count); + sa_sys_read_u64(path, "fcp_control_requests", &ps->fcp_control_requests); + sa_sys_read_u64(path, "fcp_input_requests", &ps->fcp_input_requests); + sa_sys_read_u64(path, "fcp_input_megabytes", &ps->fcp_input_megabytes); + sa_sys_read_u64(path, "fcp_output_requests", &ps->fcp_output_requests); + sa_sys_read_u64(path, "fcp_output_megabytes", &ps->fcp_output_megabytes); + +free_path: + free(path); + + return ps; +} + struct port_attributes *get_port_attribs(const char *host) { struct port_attributes *pa; char *path; int err; - err = asprintf(&path, "%s/%s", SYSFS_HOST_DIR, host); + err = asprintf(&path, "%s/%s/", SYSFS_HOST_DIR, host); if (err == -1) return NULL; -- 2.4.6
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