mirror of https://github.com/htop-dev/htop.git
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
|
|
htop - ZfsCompressedArcMeter.c
|
|
(C) 2004-2011 Hisham H. Muhammad
|
|
Released under the GNU GPLv2+, see the COPYING file
|
|
in the source distribution for its full text.
|
|
*/
|
|
|
|
#include "config.h" // IWYU pragma: keep
|
|
|
|
#include "zfs/ZfsCompressedArcMeter.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "CRT.h"
|
|
#include "Meter.h"
|
|
#include "Object.h"
|
|
#include "Platform.h"
|
|
#include "RichString.h"
|
|
#include "XUtils.h"
|
|
#include "zfs/ZfsArcStats.h"
|
|
|
|
|
|
static const int ZfsCompressedArcMeter_attributes[] = {
|
|
ZFS_COMPRESSED
|
|
};
|
|
|
|
void ZfsCompressedArcMeter_readStats(Meter* this, const ZfsArcStats* stats) {
|
|
if ( stats->isCompressed ) {
|
|
this->total = stats->uncompressed;
|
|
this->values[0] = stats->compressed;
|
|
} else {
|
|
// For uncompressed ARC, report 1:1 ratio
|
|
this->total = stats->size;
|
|
this->values[0] = stats->size;
|
|
}
|
|
}
|
|
|
|
static int ZfsCompressedArcMeter_printRatioString(const Meter* this, char* buffer, size_t size) {
|
|
if (this->values[0] > 0) {
|
|
return xSnprintf(buffer, size, "%.2f:1", this->total / this->values[0]);
|
|
}
|
|
|
|
return xSnprintf(buffer, size, "N/A");
|
|
}
|
|
|
|
static void ZfsCompressedArcMeter_updateValues(Meter* this) {
|
|
Platform_setZfsCompressedArcValues(this);
|
|
|
|
ZfsCompressedArcMeter_printRatioString(this, this->txtBuffer, sizeof(this->txtBuffer));
|
|
}
|
|
|
|
static void ZfsCompressedArcMeter_display(const Object* cast, RichString* out) {
|
|
const Meter* this = (const Meter*)cast;
|
|
|
|
if (this->values[0] > 0) {
|
|
char buffer[50];
|
|
int len;
|
|
|
|
Meter_humanUnit(buffer, this->total, sizeof(buffer));
|
|
RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
|
|
RichString_appendAscii(out, CRT_colors[METER_TEXT], " Uncompressed, ");
|
|
Meter_humanUnit(buffer, this->values[0], sizeof(buffer));
|
|
RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
|
|
RichString_appendAscii(out, CRT_colors[METER_TEXT], " Compressed, ");
|
|
len = ZfsCompressedArcMeter_printRatioString(this, buffer, sizeof(buffer));
|
|
RichString_appendnAscii(out, CRT_colors[ZFS_RATIO], buffer, len);
|
|
RichString_appendAscii(out, CRT_colors[METER_TEXT], " Ratio");
|
|
} else {
|
|
RichString_writeAscii(out, CRT_colors[METER_TEXT], " ");
|
|
RichString_appendAscii(out, CRT_colors[FAILED_READ], "Compression Unavailable");
|
|
}
|
|
}
|
|
|
|
const MeterClass ZfsCompressedArcMeter_class = {
|
|
.super = {
|
|
.extends = Class(Meter),
|
|
.delete = Meter_delete,
|
|
.display = ZfsCompressedArcMeter_display,
|
|
},
|
|
.updateValues = ZfsCompressedArcMeter_updateValues,
|
|
.defaultMode = TEXT_METERMODE,
|
|
.maxItems = 1,
|
|
.total = 100.0,
|
|
.attributes = ZfsCompressedArcMeter_attributes,
|
|
.name = "ZFSCARC",
|
|
.uiName = "ZFS CARC",
|
|
.description = "ZFS CARC: Compressed ARC statistics",
|
|
.caption = "ARC: "
|
|
};
|