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Support for ZFS Compressed ARC statistics

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This commit is contained in:
Ross Williams
2019-09-03 18:26:02 +00:00
parent e450b58636
commit 613556faeb
18 changed files with 215 additions and 4 deletions
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10
linux/LinuxProcessList.c
View File

@ -984,9 +984,14 @@ static inline void LinuxProcessList_scanZfsArcstats(LinuxProcessList* lpl) {
char buffer[128];
while (fgets(buffer, 128, file)) {
#define tryRead(label, variable) do { if (String_startsWith(buffer, label) && sscanf(buffer + strlen(label), " %*2u %32llu", variable)) { break; } } while(0)
#define tryReadFlag(label, variable, flag) do { if (String_startsWith(buffer, label) && sscanf(buffer + strlen(label), " %*2u %32llu", variable)) { flag = 1; break; } else { flag = 0; } } while(0)
switch (buffer[0]) {
case 'c':
tryRead("c_max", &lpl->zfs.max);
tryReadFlag("compressed", &lpl->zfs.compressed, &lpl->zfs.isCompressed);
break;
case 'u':
tryRead("uncompressed", &lpl->zfs.uncompressed);
break;
case 's':
tryRead("size", &lpl->zfs.size);
@ -1010,6 +1015,7 @@ static inline void LinuxProcessList_scanZfsArcstats(LinuxProcessList* lpl) {
break;
}
#undef tryRead
#undef tryReadFlag
}
fclose(file);
@ -1021,6 +1027,10 @@ static inline void LinuxProcessList_scanZfsArcstats(LinuxProcessList* lpl) {
lpl->zfs.anon /= 1024;
lpl->zfs.header /= 1024;
lpl->zfs.other = (dbufSize + dnodeSize + bonusSize) / 1024;
if ( lpl->zfs.isCompressed ) {
lpl->zfs.compressed /= 1024;
lpl->zfs.uncompressed /= 1024;
}
}
static inline double LinuxProcessList_scanCPUTime(LinuxProcessList* this) {

7
linux/Platform.c
View File

@ -22,6 +22,7 @@ in the source distribution for its full text.
#include "ClockMeter.h"
#include "HostnameMeter.h"
#include "zfs/ZfsArcMeter.h"
#include "zfs/ZfsCompressedArcMeter.h"
#include "LinuxProcess.h"
#include <math.h>
@ -128,6 +129,7 @@ MeterClass* Platform_meterTypes[] = {
&RightCPUs2Meter_class,
&BlankMeter_class,
&ZfsArcMeter_class,
&ZfsCompressedArcMeter_class,
NULL
};
@ -221,6 +223,11 @@ void Platform_setZfsArcValues(Meter* this) {
ZfsArcMeter_readStats(this, &(lpl->zfs));
}
void Platform_setZfsCompressedArcValues(Meter* this) {
LinuxProcessList* lpl = (LinuxProcessList*) this->pl;
ZfsCompressedArcMeter_readStats(this, &(lpl->zfs));
}
char* Platform_getProcessEnv(pid_t pid) {
char procname[32+1];
xSnprintf(procname, 32, "/proc/%d/environ", pid);

2
linux/Platform.h
View File

@ -45,6 +45,8 @@ void Platform_setSwapValues(Meter* this);
void Platform_setZfsArcValues(Meter* this);
void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
#endif