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IB/ipath: Log "active" time and some errors to EEPROM

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We currently track various errors, now we enhance that capability by
logging some of them to EEPROM.  We also now log a cumulative "active"
time defined by traffic though the InfiniPath HCA beyond the normal SM
traffic.

Signed-off-by: Michael Albaugh <michael.albaugh@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael Albaugh
2007-05-17 07:26:28 -07:00
committed by Roland Dreier
父節點 8e9ab3f1c9
當前提交 aecd3b5ab1
共有 9 個文件被更改，包括 370 次插入 和 8 次删除
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23
drivers/infiniband/hw/ipath/ipath_stats.c
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@@ -55,6 +55,7 @@ u64 ipath_snap_cntr(struct ipath_devdata *dd, ipath_creg creg)
u64 val64;
unsigned long t0, t1;
u64 ret;
unsigned long flags;
t0 = jiffies;
/* If fast increment counters are only 32 bits, snapshot them,
@@ -91,12 +92,18 @@ u64 ipath_snap_cntr(struct ipath_devdata *dd, ipath_creg creg)
if (creg == dd->ipath_cregs->cr_wordsendcnt) {
if (val != dd->ipath_lastsword) {
dd->ipath_sword += val - dd->ipath_lastsword;
spin_lock_irqsave(&dd->ipath_eep_st_lock, flags);
dd->ipath_traffic_wds += val - dd->ipath_lastsword;
spin_unlock_irqrestore(&dd->ipath_eep_st_lock, flags);
dd->ipath_lastsword = val;
}
val64 = dd->ipath_sword;
} else if (creg == dd->ipath_cregs->cr_wordrcvcnt) {
if (val != dd->ipath_lastrword) {
dd->ipath_rword += val - dd->ipath_lastrword;
spin_lock_irqsave(&dd->ipath_eep_st_lock, flags);
dd->ipath_traffic_wds += val - dd->ipath_lastrword;
spin_unlock_irqrestore(&dd->ipath_eep_st_lock, flags);
dd->ipath_lastrword = val;
}
val64 = dd->ipath_rword;
@@ -200,6 +207,7 @@ void ipath_get_faststats(unsigned long opaque)
struct ipath_devdata *dd = (struct ipath_devdata *) opaque;
u32 val;
static unsigned cnt;
unsigned long flags;
/*
* don't access the chip while running diags, or memory diags can
@@ -210,9 +218,20 @@ void ipath_get_faststats(unsigned long opaque)
/* but re-arm the timer, for diags case; won't hurt other */
goto done;
/*
* We now try to maintain a "active timer", based on traffic
* exceeding a threshold, so we need to check the word-counts
* even if they are 64-bit.
*/
ipath_snap_cntr(dd, dd->ipath_cregs->cr_wordsendcnt);
ipath_snap_cntr(dd, dd->ipath_cregs->cr_wordrcvcnt);
spin_lock_irqsave(&dd->ipath_eep_st_lock, flags);
if (dd->ipath_traffic_wds >= IPATH_TRAFFIC_ACTIVE_THRESHOLD)
atomic_add(5, &dd->ipath_active_time); /* S/B #define */
dd->ipath_traffic_wds = 0;
spin_unlock_irqrestore(&dd->ipath_eep_st_lock, flags);
if (dd->ipath_flags & IPATH_32BITCOUNTERS) {
ipath_snap_cntr(dd, dd->ipath_cregs->cr_wordsendcnt);
ipath_snap_cntr(dd, dd->ipath_cregs->cr_wordrcvcnt);
ipath_snap_cntr(dd, dd->ipath_cregs->cr_pktsendcnt);
ipath_snap_cntr(dd, dd->ipath_cregs->cr_pktrcvcnt);
}