Rate-limit error logging to 5 lines per second, so that when an sdcard
goes bad it doesn't lock up the console with continuous output.
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parent
f8f02928d3
commit
5e3dbf8b9f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=277026
@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$");
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/time.h>
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#include <geom/geom_disk.h>
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#include <dev/mmc/mmcbrvar.h>
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@ -86,6 +87,8 @@ struct mmcsd_softc {
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daddr_t eblock, eend; /* Range remaining after the last erase. */
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int running;
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int suspend;
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int log_count;
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struct timeval log_time;
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};
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static const char *errmsg[] =
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@ -99,6 +102,8 @@ static const char *errmsg[] =
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"NO MEMORY"
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};
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#define LOG_PPS 5 /* Log no more than 5 errors per second. */
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/* bus entry points */
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static int mmcsd_attach(device_t dev);
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static int mmcsd_detach(device_t dev);
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@ -389,8 +394,10 @@ mmcsd_rw(struct mmcsd_softc *sc, struct bio *bp)
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}
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MMCBUS_WAIT_FOR_REQUEST(mmcbr, dev, &req);
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if (req.cmd->error != MMC_ERR_NONE) {
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device_printf(dev, "Error indicated: %d %s\n",
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req.cmd->error, mmcsd_errmsg(req.cmd->error));
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if (ppsratecheck(&sc->log_time, &sc->log_count, LOG_PPS)) {
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device_printf(dev, "Error indicated: %d %s\n",
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req.cmd->error, mmcsd_errmsg(req.cmd->error));
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}
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break;
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}
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block += numblocks;
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