Keep a counter for number of requests completed with an error.
Sponsored by: Netflix
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parent
6e876d695e
commit
c4b72d8b37
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=328960
@ -223,6 +223,7 @@ struct iop_stats {
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int total; /* Total for all time -- wraps */
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int in; /* number queued all time -- wraps */
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int out; /* number completed all time -- wraps */
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int errs; /* Number of I/Os completed with error -- wraps */
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/*
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* Statistics on different bits of the process.
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@ -781,6 +782,7 @@ cam_iosched_iop_stats_init(struct cam_iosched_softc *isc, struct iop_stats *ios)
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ios->max = ios->current = 300000;
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ios->min = 1;
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ios->out = 0;
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ios->errs = 0;
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ios->pending = 0;
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ios->queued = 0;
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ios->total = 0;
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@ -971,7 +973,11 @@ cam_iosched_iop_stats_sysctl_init(struct cam_iosched_softc *isc, struct iop_stat
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SYSCTL_ADD_INT(ctx, n,
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OID_AUTO, "out", CTLFLAG_RD,
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&ios->out, 0,
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"# of transactions completed");
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"# of transactions completed (including with error)");
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SYSCTL_ADD_INT(ctx, n,
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OID_AUTO, "errs", CTLFLAG_RD,
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&ios->errs, 0,
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"# of transactions completed with an error");
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SYSCTL_ADD_PROC(ctx, n,
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OID_AUTO, "limiter", CTLTYPE_STRING | CTLFLAG_RW,
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@ -1463,13 +1469,19 @@ cam_iosched_bio_complete(struct cam_iosched_softc *isc, struct bio *bp,
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printf("done: %p %#x\n", bp, bp->bio_cmd);
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if (bp->bio_cmd == BIO_WRITE) {
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retval = cam_iosched_limiter_iodone(&isc->write_stats, bp);
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if (!(bp->bio_flags & BIO_ERROR))
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isc->write_stats.errs++;
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isc->write_stats.out++;
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isc->write_stats.pending--;
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} else if (bp->bio_cmd == BIO_READ) {
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retval = cam_iosched_limiter_iodone(&isc->read_stats, bp);
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if (!(bp->bio_flags & BIO_ERROR))
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isc->read_stats.errs++;
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isc->read_stats.out++;
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isc->read_stats.pending--;
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} else if (bp->bio_cmd == BIO_DELETE) {
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if (!(bp->bio_flags & BIO_ERROR))
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isc->trim_stats.errs++;
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isc->trim_stats.out++;
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isc->trim_stats.pending--;
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} else if (bp->bio_cmd != BIO_FLUSH) {
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