scsi/snic/snic_debugfs.c

17  * stats logging
95  * resets cumulative stats of snic.
107 	struct snic_stats *stats = &snic->s_stats;
108 	u64 *io_stats_p = (u64 *) &stats->io;
109 	u64 *fw_stats_p = (u64 *) &stats->fw;
130 		 * and IO Completions stats. Skip incrementing No IO Compls
134 			     atomic64_read(&stats->io.active));
135 		memset(&stats->abts, 0, sizeof(struct snic_abort_stats));
136 		memset(&stats->reset, 0, sizeof(struct snic_reset_stats));
137 		memset(&stats->misc, 0, sizeof(struct snic_misc_stats));
162  * snic_stats_show - Formats and prints per host specific driver stats.
168 	struct snic_stats *stats = &snic->s_stats;
179 	maxio_tm = (u64) atomic64_read(&stats->io.max_time);
195 		   (u64) atomic64_read(&stats->io.active),
196 		   (u64) atomic64_read(&stats->io.max_active),
197 		   (u64) atomic64_read(&stats->io.num_ios),
198 		   (u64) atomic64_read(&stats->io.compl),
199 		   (u64) atomic64_read(&stats->io.fail),
200 		   (u64) atomic64_read(&stats->io.io_not_found),
201 		   (u64) atomic64_read(&stats->io.alloc_fail),
202 		   (u64) atomic64_read(&stats->io.req_null),
203 		   (u64) atomic64_read(&stats->io.sc_null),
204 		   (u64) atomic64_read(&stats->io.max_sgl),
205 		   (u64) atomic64_read(&stats->io.max_io_sz),
206 		   (u64) atomic64_read(&stats->io.max_qtime),
207 		   (u64) atomic64_read(&stats->io.max_cmpl_time),
216 			   (u64) atomic64_read(&stats->io.sgl_cnt[i]));
235 		   (u64) atomic64_read(&stats->abts.num),
236 		   (u64) atomic64_read(&stats->abts.fail),
237 		   (u64) atomic64_read(&stats->abts.drv_tmo),
238 		   (u64) atomic64_read(&stats->abts.fw_tmo),
239 		   (u64) atomic64_read(&stats->abts.io_not_found),
240 		   (u64) atomic64_read(&stats->abts.q_fail));
252 		   (u64) atomic64_read(&stats->reset.hba_resets),
253 		   (u64) atomic64_read(&stats->reset.hba_reset_cmpl),
254 		   (u64) atomic64_read(&stats->reset.hba_reset_fail));
268 		(u64) atomic64_read(&stats->fw.actv_reqs),
269 		(u64) atomic64_read(&stats->fw.max_actv_reqs),
270 		(u64) atomic64_read(&stats->fw.out_of_res),
271 		(u64) atomic64_read(&stats->fw.io_errs),
272 		(u64) atomic64_read(&stats->fw.scsi_errs));
281 	jiffies_to_timespec64(stats->misc.last_isr_time, &last_isr_tms);
282 	jiffies_to_timespec64(stats->misc.last_ack_time, &last_ack_tms);
301 		   (u64) stats->misc.last_isr_time,
303 		   (u64)stats->misc.last_ack_time,
305 		   (u64) atomic64_read(&stats->misc.ack_isr_cnt),
306 		   (u64) atomic64_read(&stats->misc.cmpl_isr_cnt),
307 		   (u64) atomic64_read(&stats->misc.errnotify_isr_cnt),
308 		   (u64) atomic64_read(&stats->misc.max_cq_ents),
309 		   (u64) atomic64_read(&stats->misc.data_cnt_mismat),
310 		   (u64) atomic64_read(&stats->misc.io_tmo),
311 		   (u64) atomic64_read(&stats->misc.io_aborted),
312 		   (u64) atomic64_read(&stats->misc.sgl_inval),
313 		   (u64) atomic64_read(&stats->misc.wq_alloc_fail),
314 		   (u64) atomic64_read(&stats->misc.qfull),
315 		   (u64) atomic64_read(&stats->misc.qsz_rampup),
316 		   (u64) atomic64_read(&stats->misc.qsz_rampdown),
317 		   (u64) atomic64_read(&stats->misc.last_qsz),
318 		   (u64) atomic64_read(&stats->misc.tgt_not_rdy));
334  * snic_stats_init - Initialize stats struct and create stats file
338  * When debugfs is cofigured this routine sets up the stats file per snic
339  * It will create file stats and reset_stats under statistics/host# directory
340  * to log per snic stats
350 	snic->stats_file = debugfs_create_file("stats", S_IFREG|S_IRUGO,
361  * snic_stats_debugfs_remove - Tear down debugfs infrastructure of stats
365  * elements that are specific to to snic stats