diff options
| author | Ross Williams <ross@ross-williams.net> | 2019-07-07 02:37:02 +0000 |
|---|---|---|
| committer | Ross Williams <ross@ross-williams.net> | 2019-07-07 22:57:15 -0400 |
| commit | 070fe90461182743fabb029415fc1bc59be14f3f (patch) | |
| tree | c1ce5424b6676e2b81ae568f748f3eb5dbea09ea /zfs | |
| parent | a93edde1a21e533472b5d443002032260b5bd066 (diff) | |
ZFS arcstats for Linux
If no pools are imported (ARC size == 0) or the
ZFS module is not in the kernel (/proc/spl/kstat/zfs/arcstats
does not exist), then the Meter reports "Unavailable".
Diffstat (limited to 'zfs')
| -rw-r--r-- | zfs/ZfsArcMeter.c | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/zfs/ZfsArcMeter.c b/zfs/ZfsArcMeter.c index e12c46e2..ebd80992 100644 --- a/zfs/ZfsArcMeter.c +++ b/zfs/ZfsArcMeter.c @@ -41,27 +41,32 @@ static void ZfsArcMeter_display(Object* cast, RichString* out) { char buffer[50]; Meter* this = (Meter*)cast; - RichString_write(out, CRT_colors[METER_TEXT], ":"); - Meter_humanUnit(buffer, this->total, 50); - RichString_append(out, CRT_colors[METER_VALUE], buffer); - Meter_humanUnit(buffer, this->values[5], 50); - RichString_append(out, CRT_colors[METER_TEXT], " Used:"); - RichString_append(out, CRT_colors[METER_VALUE], buffer); - Meter_humanUnit(buffer, this->values[0], 50); - RichString_append(out, CRT_colors[METER_TEXT], " MFU:"); - RichString_append(out, CRT_colors[ZFS_MFU], buffer); - Meter_humanUnit(buffer, this->values[1], 50); - RichString_append(out, CRT_colors[METER_TEXT], " MRU:"); - RichString_append(out, CRT_colors[ZFS_MRU], buffer); - Meter_humanUnit(buffer, this->values[2], 50); - RichString_append(out, CRT_colors[METER_TEXT], " Anon:"); - RichString_append(out, CRT_colors[ZFS_ANON], buffer); - Meter_humanUnit(buffer, this->values[3], 50); - RichString_append(out, CRT_colors[METER_TEXT], " Hdr:"); - RichString_append(out, CRT_colors[ZFS_HEADER], buffer); - Meter_humanUnit(buffer, this->values[4], 50); - RichString_append(out, CRT_colors[METER_TEXT], " Oth:"); - RichString_append(out, CRT_colors[ZFS_OTHER], buffer); + if (this->values[5] > 0) { + RichString_write(out, CRT_colors[METER_TEXT], ":"); + Meter_humanUnit(buffer, this->total, 50); + RichString_append(out, CRT_colors[METER_VALUE], buffer); + Meter_humanUnit(buffer, this->values[5], 50); + RichString_append(out, CRT_colors[METER_TEXT], " Used:"); + RichString_append(out, CRT_colors[METER_VALUE], buffer); + Meter_humanUnit(buffer, this->values[0], 50); + RichString_append(out, CRT_colors[METER_TEXT], " MFU:"); + RichString_append(out, CRT_colors[ZFS_MFU], buffer); + Meter_humanUnit(buffer, this->values[1], 50); + RichString_append(out, CRT_colors[METER_TEXT], " MRU:"); + RichString_append(out, CRT_colors[ZFS_MRU], buffer); + Meter_humanUnit(buffer, this->values[2], 50); + RichString_append(out, CRT_colors[METER_TEXT], " Anon:"); + RichString_append(out, CRT_colors[ZFS_ANON], buffer); + Meter_humanUnit(buffer, this->values[3], 50); + RichString_append(out, CRT_colors[METER_TEXT], " Hdr:"); + RichString_append(out, CRT_colors[ZFS_HEADER], buffer); + Meter_humanUnit(buffer, this->values[4], 50); + RichString_append(out, CRT_colors[METER_TEXT], " Oth:"); + RichString_append(out, CRT_colors[ZFS_OTHER], buffer); + } else { + RichString_write(out, CRT_colors[METER_TEXT], " "); + RichString_append(out, CRT_colors[FAILED_SEARCH], "Unavailable"); + } } MeterClass ZfsArcMeter_class = { |