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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-12 10:55:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-06-27 09:01:30 -0300 |
| commit | 38ced28b21efff18fd5e5c98a92830e8f0031cee (patch) | |
| tree | e409eed80e257faa01acc1cdc05cb7c0e0be7cb2 /drivers/edac/edac_mc_sysfs.c | |
| parent | 69154d069869b612383cef9d594f39b34ffba6dd (diff) | |
| download | lwn-38ced28b21efff18fd5e5c98a92830e8f0031cee.tar.gz lwn-38ced28b21efff18fd5e5c98a92830e8f0031cee.zip | |
edac: allow specifying the error count with fake_inject
In order to test if the error counters are properly incremented,
add a way to specify how many errors were generated by a trace.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index a2bf7e9dd6de..ed0bc07b8503 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -812,18 +812,24 @@ static ssize_t edac_fake_inject_write(struct file *file, struct device *dev = file->private_data; struct mem_ctl_info *mci = to_mci(dev); static enum hw_event_mc_err_type type; + u16 errcount = mci->fake_inject_count; + + if (!errcount) + errcount = 1; type = mci->fake_inject_ue ? HW_EVENT_ERR_UNCORRECTED : HW_EVENT_ERR_CORRECTED; printk(KERN_DEBUG - "Generating a %s fake error to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n", + "Generating %d %s fake error%s to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n", + errcount, (type == HW_EVENT_ERR_UNCORRECTED) ? "UE" : "CE", + errcount > 1 ? "s" : "", mci->fake_inject_layer[0], mci->fake_inject_layer[1], mci->fake_inject_layer[2] ); - edac_mc_handle_error(type, mci, 1, 0, 0, 0, + edac_mc_handle_error(type, mci, errcount, 0, 0, 0, mci->fake_inject_layer[0], mci->fake_inject_layer[1], mci->fake_inject_layer[2], @@ -944,6 +950,11 @@ int edac_create_debug_nodes(struct mem_ctl_info *mci) if (!d) goto nomem; + d = debugfs_create_u16("fake_inject_count", S_IRUGO | S_IWUSR, parent, + &mci->fake_inject_count); + if (!d) + goto nomem; + d = debugfs_create_file("fake_inject", S_IWUSR, parent, &mci->dev, &debug_fake_inject_fops); |