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authorExplorer09 <explorer09@gmail.com>2023-08-26 16:56:06 +0800
committercgzones <cgzones@googlemail.com>2023-08-29 21:47:56 +0200
commit25cb42f0e4be70f02dc094d81e033ba21ec18b27 (patch)
tree98bfff2502ecee0a09800f034cb960ad862db0b2 /linux
parent8ecdb75d74c393895c68be7a311db959b1f373e9 (diff)
Rework ZramMeter and remove MeterClass.comprisedValues
The 'comprisedValues' boolean property unnecessarily complicates the drawing algorithms of Bar meters and Graph meters. Since the only user of 'comprisedValues' is ZramMeter, it is better to rework the meter so that it no longer needs 'comprisedValues'. The 'values[ZRAM_METER_UNCOMPRESSED]' now stores the difference between uncompressed and compressed data size. Signed-off-by: Kang-Che Sung <explorer09@gmail.com>
Diffstat (limited to 'linux')
-rw-r--r--linux/LinuxMachine.c3
-rw-r--r--linux/Platform.c2
-rw-r--r--linux/ZramMeter.c7
3 files changed, 8 insertions, 4 deletions
diff --git a/linux/LinuxMachine.c b/linux/LinuxMachine.c
index 21fd4bd1..5d2e67e9 100644
--- a/linux/LinuxMachine.c
+++ b/linux/LinuxMachine.c
@@ -337,6 +337,9 @@ static void LinuxMachine_scanZramInfo(LinuxMachine* this) {
this->zram.totalZram = totalZram / 1024;
this->zram.usedZramComp = usedZramComp / 1024;
this->zram.usedZramOrig = usedZramOrig / 1024;
+ if (this->zram.usedZramComp > this->zram.usedZramOrig) {
+ this->zram.usedZramComp = this->zram.usedZramOrig;
+ }
}
static void LinuxMachine_scanZfsArcstats(LinuxMachine* this) {
diff --git a/linux/Platform.c b/linux/Platform.c
index c81b3697..1a2ef617 100644
--- a/linux/Platform.c
+++ b/linux/Platform.c
@@ -418,7 +418,7 @@ void Platform_setZramValues(Meter* this) {
this->total = lhost->zram.totalZram;
this->values[ZRAM_METER_COMPRESSED] = lhost->zram.usedZramComp;
- this->values[ZRAM_METER_UNCOMPRESSED] = lhost->zram.usedZramOrig;
+ this->values[ZRAM_METER_UNCOMPRESSED] = lhost->zram.usedZramOrig - lhost->zram.usedZramComp;
}
void Platform_setZfsArcValues(Meter* this) {
diff --git a/linux/ZramMeter.c b/linux/ZramMeter.c
index 6e80eb1a..a1a98b34 100644
--- a/linux/ZramMeter.c
+++ b/linux/ZramMeter.c
@@ -27,7 +27,8 @@ static void ZramMeter_updateValues(Meter* this) {
METER_BUFFER_APPEND_CHR(buffer, size, '(');
- written = Meter_humanUnit(buffer, this->values[ZRAM_METER_UNCOMPRESSED], size);
+ double uncompressed = this->values[ZRAM_METER_COMPRESSED] + this->values[ZRAM_METER_UNCOMPRESSED];
+ written = Meter_humanUnit(buffer, uncompressed, size);
METER_BUFFER_CHECK(buffer, size, written);
METER_BUFFER_APPEND_CHR(buffer, size, ')');
@@ -50,7 +51,8 @@ static void ZramMeter_display(const Object* cast, RichString* out) {
RichString_appendAscii(out, CRT_colors[METER_TEXT], " used:");
RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
- Meter_humanUnit(buffer, this->values[ZRAM_METER_UNCOMPRESSED], sizeof(buffer));
+ double uncompressed = this->values[ZRAM_METER_COMPRESSED] + this->values[ZRAM_METER_UNCOMPRESSED];
+ Meter_humanUnit(buffer, uncompressed, sizeof(buffer));
RichString_appendAscii(out, CRT_colors[METER_TEXT], " uncompressed:");
RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
}
@@ -64,7 +66,6 @@ const MeterClass ZramMeter_class = {
.updateValues = ZramMeter_updateValues,
.defaultMode = BAR_METERMODE,
.maxItems = ZRAM_METER_ITEMCOUNT,
- .comprisedValues = true,
.total = 100.0,
.attributes = ZramMeter_attributes,
.name = "Zram",

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