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Support for ZFS Compressed ARC statistics

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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14
CRT.c
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@ -133,6 +133,8 @@ typedef enum ColorElements_ {
ZFS_ANON,
ZFS_HEADER,
ZFS_OTHER,
ZFS_COMPRESSED,
ZFS_RATIO,
LAST_COLORELEMENT
} ColorElements;
@ -242,6 +244,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[ZFS_ANON] = ColorPair(Magenta,Black),
[ZFS_HEADER] = ColorPair(Cyan,Black),
[ZFS_OTHER] = ColorPair(Magenta,Black),
[ZFS_COMPRESSED] = ColorPair(Blue,Black),
[ZFS_RATIO] = ColorPair(Magenta,Black),
},
[COLORSCHEME_MONOCHROME] = {
[RESET_COLOR] = A_NORMAL,
@ -306,6 +310,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[ZFS_ANON] = A_DIM,
[ZFS_HEADER] = A_BOLD,
[ZFS_OTHER] = A_DIM,
[ZFS_COMPRESSED] = A_BOLD,
[ZFS_RATIO] = A_BOLD,
},
[COLORSCHEME_BLACKONWHITE] = {
[RESET_COLOR] = ColorPair(Black,White),
@ -370,6 +376,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[ZFS_ANON] = ColorPair(Magenta,White),
[ZFS_HEADER] = ColorPair(Yellow,White),
[ZFS_OTHER] = ColorPair(Magenta,White),
[ZFS_COMPRESSED] = ColorPair(Cyan,White),
[ZFS_RATIO] = ColorPair(Magenta,White),
},
[COLORSCHEME_LIGHTTERMINAL] = {
[RESET_COLOR] = ColorPair(Black,Black),
@ -434,6 +442,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[ZFS_ANON] = A_BOLD | ColorPair(Magenta,Black),
[ZFS_HEADER] = ColorPair(Black,Black),
[ZFS_OTHER] = A_BOLD | ColorPair(Magenta,Black),
[ZFS_COMPRESSED] = ColorPair(Cyan,Black),
[ZFS_RATIO] = A_BOLD | ColorPair(Magenta,Black),
},
[COLORSCHEME_MIDNIGHT] = {
[RESET_COLOR] = ColorPair(White,Blue),
@ -498,6 +508,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[ZFS_ANON] = A_BOLD | ColorPair(Magenta,Blue),
[ZFS_HEADER] = A_BOLD | ColorPair(Yellow,Blue),
[ZFS_OTHER] = A_BOLD | ColorPair(Magenta,Blue),
[ZFS_COMPRESSED] = A_BOLD | ColorPair(White,Blue),
[ZFS_RATIO] = A_BOLD | ColorPair(Magenta,Blue),
},
[COLORSCHEME_BLACKNIGHT] = {
[RESET_COLOR] = ColorPair(Cyan,Black),
@ -562,6 +574,8 @@ int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
[ZFS_ANON] = ColorPair(Magenta,Black),
[ZFS_HEADER] = ColorPair(Yellow,Black),
[ZFS_OTHER] = ColorPair(Magenta,Black),
[ZFS_COMPRESSED] = ColorPair(Blue,Black),
[ZFS_RATIO] = ColorPair(Magenta,Black),
},
[COLORSCHEME_BROKENGRAY] = { 0 } // dynamically generated.
};

2
CRT.h
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@ -121,6 +121,8 @@ typedef enum ColorElements_ {
ZFS_ANON,
ZFS_HEADER,
ZFS_OTHER,
ZFS_COMPRESSED,
ZFS_RATIO,
LAST_COLORELEMENT
} ColorElements;

12
Makefile.am
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@ -50,6 +50,7 @@ linux_platform_headers = \
linux/LinuxCRT.h \
linux/Battery.h \
zfs/ZfsArcMeter.h \
zfs/ZfsCompressedArcMeter.h \
zfs/ZfsArcStats.h
all_platform_headers += $(linux_platform_headers)
@ -58,7 +59,7 @@ if HTOP_LINUX
AM_CFLAGS += -rdynamic
myhtopplatsources = linux/Platform.c linux/IOPriorityPanel.c linux/IOPriority.c \
linux/LinuxProcess.c linux/LinuxProcessList.c linux/LinuxCRT.c linux/Battery.c \
zfs/ZfsArcMeter.c zfs/ZfsArcStats.c
zfs/ZfsArcMeter.c zfs/ZfsCompressedArcMeter.c zfs/ZfsArcStats.c
myhtopplatheaders = $(linux_platform_headers)
endif
@ -73,6 +74,7 @@ freebsd_platform_headers = \
freebsd/FreeBSDCRT.h \
freebsd/Battery.h \
zfs/ZfsArcMeter.h \
zfs/ZfsCompressedArcMeter.h \
zfs/ZfsArcStats.h \
zfs/openzfs_sysctl.h
@ -81,7 +83,7 @@ all_platform_headers += $(freebsd_platform_headers)
if HTOP_FREEBSD
myhtopplatsources = freebsd/Platform.c freebsd/FreeBSDProcessList.c \
freebsd/FreeBSDProcess.c freebsd/FreeBSDCRT.c freebsd/Battery.c \
zfs/ZfsArcMeter.c zfs/ZfsArcStats.c zfs/openzfs_sysctl.c
zfs/ZfsArcMeter.c zfs/ZfsCompressedArcMeter.c zfs/ZfsArcStats.c zfs/openzfs_sysctl.c
myhtopplatheaders = $(freebsd_platform_headers)
endif
@ -135,6 +137,7 @@ darwin_platform_headers = \
darwin/DarwinCRT.h \
darwin/Battery.h \
zfs/ZfsArcMeter.h \
zfs/ZfsCompressedArcMeter.h \
zfs/ZfsArcStats.h \
zfs/openzfs_sysctl.h
@ -144,7 +147,7 @@ if HTOP_DARWIN
AM_LDFLAGS += -framework IOKit -framework CoreFoundation
myhtopplatsources = darwin/Platform.c darwin/DarwinProcess.c \
darwin/DarwinProcessList.c darwin/DarwinCRT.c darwin/Battery.c \
zfs/ZfsArcMeter.c zfs/ZfsArcStats.c zfs/openzfs_sysctl.c
zfs/ZfsArcMeter.c zfs/ZfsCompressedArcMeter.c zfs/ZfsArcStats.c zfs/openzfs_sysctl.c
myhtopplatheaders = $(darwin_platform_headers)
endif
@ -159,6 +162,7 @@ solaris_platform_headers = \
solaris/SolarisCRT.h \
solaris/Battery.h \
zfs/ZfsArcMeter.h \
zfs/ZfsCompressedArcMeter.h \
zfs/ZfsArcStats.h
all_platform_headers += $(solaris_platform_headers)
@ -167,7 +171,7 @@ if HTOP_SOLARIS
myhtopplatsources = solaris/Platform.c \
solaris/SolarisProcess.c solaris/SolarisProcessList.c \
solaris/SolarisCRT.c solaris/Battery.c \
zfs/ZfsArcMeter.c zfs/ZfsArcStats.c
zfs/ZfsArcMeter.c zfs/ZfsCompressedArcMeter.c zfs/ZfsArcStats.c
myhtopplatheaders = $(solaris_platform_headers)
endif

8
darwin/Platform.c
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@ -16,6 +16,7 @@ in the source distribution for its full text.
#include "HostnameMeter.h"
#include "UptimeMeter.h"
#include "zfs/ZfsArcMeter.h"
#include "zfs/ZfsCompressedArcMeter.h"
#include "DarwinProcessList.h"
#include <stdlib.h>
@ -119,6 +120,7 @@ MeterClass* Platform_meterTypes[] = {
&LeftCPUs2Meter_class,
&RightCPUs2Meter_class,
&ZfsArcMeter_class,
&ZfsCompressedArcMeter_class,
&BlankMeter_class,
NULL
};
@ -249,6 +251,12 @@ void Platform_setZfsArcValues(Meter* this) {
ZfsArcMeter_readStats(this, &(dpl->zfs));
}
void Platform_setZfsCompressedArcValues(Meter* this) {
DarwinProcessList* dpl = (DarwinProcessList*) this->pl;
ZfsCompressedArcMeter_readStats(this, &(dpl->zfs));
}
char* Platform_getProcessEnv(pid_t pid) {
char* env = NULL;

2
darwin/Platform.h
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@ -50,6 +50,8 @@ void Platform_setSwapValues(Meter* mtr);
void Platform_setZfsArcValues(Meter* this);
void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
#endif

8
freebsd/Platform.c
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@ -16,6 +16,7 @@ in the source distribution for its full text.
#include "ClockMeter.h"
#include "HostnameMeter.h"
#include "zfs/ZfsArcMeter.h"
#include "zfs/ZfsCompressedArcMeter.h"
#include "FreeBSDProcess.h"
#include "FreeBSDProcessList.h"
@ -106,6 +107,7 @@ MeterClass* Platform_meterTypes[] = {
&RightCPUs2Meter_class,
&BlankMeter_class,
&ZfsArcMeter_class,
&ZfsCompressedArcMeter_class,
NULL
};
@ -205,6 +207,12 @@ void Platform_setZfsArcValues(Meter* this) {
ZfsArcMeter_readStats(this, &(fpl->zfs));
}
void Platform_setZfsCompressedArcValues(Meter* this) {
FreeBSDProcessList* fpl = (FreeBSDProcessList*) this->pl;
ZfsCompressedArcMeter_readStats(this, &(fpl->zfs));
}
void Platform_setTasksValues(Meter* this) {
// TODO
}

2
freebsd/Platform.h
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@ -46,6 +46,8 @@ void Platform_setSwapValues(Meter* this);
void Platform_setZfsArcValues(Meter* this);
void Platform_setZfsCompressedArcValues(Meter* this);
void Platform_setTasksValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);

10
linux/LinuxProcessList.c
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@ -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
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@ -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
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@ -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

8
solaris/Platform.c
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@ -18,6 +18,7 @@ in the source distribution for its full text.
#include "HostnameMeter.h"
#include "UptimeMeter.h"
#include "zfs/ZfsArcMeter.h"
#include "zfs/ZfsCompressedArcMeter.h"
#include "SolarisProcess.h"
#include "SolarisProcessList.h"
@ -124,6 +125,7 @@ MeterClass* Platform_meterTypes[] = {
&LeftCPUs2Meter_class,
&RightCPUs2Meter_class,
&ZfsArcMeter_class,
&ZfsCompressedArcMeter_class,
&BlankMeter_class,
NULL
};
@ -228,6 +230,12 @@ void Platform_setZfsArcValues(Meter* this) {
ZfsArcMeter_readStats(this, &(spl->zfs));
}
void Platform_setZfsCompressedArcValues(Meter* this) {
SolarisProcessList* spl = (SolarisProcessList*) this->pl;
ZfsCompressedArcMeter_readStats(this, &(spl->zfs));
}
static int Platform_buildenv(void *accum, struct ps_prochandle *Phandle, uintptr_t addr, const char *str) {
envAccum *accump = accum;
(void) Phandle;

2
solaris/Platform.h
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@ -62,6 +62,8 @@ void Platform_setSwapValues(Meter* this);
void Platform_setZfsArcValues(Meter* this);
void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
#endif

10
solaris/SolarisProcessList.c
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@ -263,6 +263,16 @@ static inline void SolarisProcessList_scanZfsArcstats(ProcessList* pl) {
cur_kstat = kstat_data_lookup( arcstats, "other_size" );
spl->zfs.other = cur_kstat->value.ui64 / 1024;
if ((cur_kstat = kstat_data_lookup( arcstats, "compressed_size" )) != NULL) {
spl->zfs.compressed = cur_kstat->value.ui64 / 1024;
spl->zfs.isCompressed = 1;
cur_kstat = kstat_data_lookup( arcstats, "uncompressed_size" );
spl->zfs.uncompressed = cur_kstat->value.ui64 / 1024;
} else {
spl->zfs.isCompressed = 0;
}
}
}

3
zfs/ZfsArcStats.c
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@ -8,6 +8,7 @@ in the source distribution for its full text.
/*{
typedef struct ZfsArcStats_ {
int enabled;
int isCompressed;
unsigned long long int max;
unsigned long long int size;
unsigned long long int MFU;
@ -15,5 +16,7 @@ typedef struct ZfsArcStats_ {
unsigned long long int anon;
unsigned long long int header;
unsigned long long int other;
unsigned long long int compressed;
unsigned long long int uncompressed;
} ZfsArcStats;
}*/

3
zfs/ZfsArcStats.h
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@ -11,6 +11,7 @@ in the source distribution for its full text.
typedef struct ZfsArcStats_ {
int enabled;
int isCompressed;
unsigned long long int max;
unsigned long long int size;
unsigned long long int MFU;
@ -18,6 +19,8 @@ typedef struct ZfsArcStats_ {
unsigned long long int anon;
unsigned long long int header;
unsigned long long int other;
unsigned long long int compressed;
unsigned long long int uncompressed;
} ZfsArcStats;
#endif

86
zfs/ZfsCompressedArcMeter.c Normal file
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@ -0,0 +1,86 @@
/*
htop - ZfsCompressedArcMeter.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ZfsCompressedArcMeter.h"
#include "ZfsArcStats.h"
#include "CRT.h"
#include "Platform.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/param.h>
#include <assert.h>
/*{
#include "ZfsArcStats.h"
#include "Meter.h"
}*/
int ZfsCompressedArcMeter_attributes[] = {
ZFS_COMPRESSED
};
void ZfsCompressedArcMeter_readStats(Meter* this, 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 void ZfsCompressedArcMeter_printRatioString(Meter* this, char* buffer, int size) {
xSnprintf(buffer, size, "%.2f:1", this->total/this->values[0]);
}
static void ZfsCompressedArcMeter_updateValues(Meter* this, char* buffer, int size) {
Platform_setZfsCompressedArcValues(this);
ZfsCompressedArcMeter_printRatioString(this, buffer, size);
}
static void ZfsCompressedArcMeter_display(Object* cast, RichString* out) {
char buffer[50];
Meter* this = (Meter*)cast;
if (this->values[0] > 0) {
Meter_humanUnit(buffer, this->total, 50);
RichString_append(out, CRT_colors[METER_VALUE], buffer);
RichString_append(out, CRT_colors[METER_TEXT], " Uncompressed, ");
Meter_humanUnit(buffer, this->values[0], 50);
RichString_append(out, CRT_colors[METER_VALUE], buffer);
RichString_append(out, CRT_colors[METER_TEXT], " Compressed, ");
ZfsCompressedArcMeter_printRatioString(this, buffer, 50);
RichString_append(out, CRT_colors[METER_VALUE], buffer);
RichString_append(out, CRT_colors[METER_TEXT], " Ratio");
} else {
RichString_write(out, CRT_colors[METER_TEXT], " ");
RichString_append(out, CRT_colors[FAILED_SEARCH], "Compression Unavailable");
}
}
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: "
};

22
zfs/ZfsCompressedArcMeter.h Normal file
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@ -0,0 +1,22 @@
/* Do not edit this file. It was automatically generated. */
#ifndef HEADER_ZfsCompressedArcMeter
#define HEADER_ZfsCompressedArcMeter
/*
htop - ZfsCompressedArcMeter.h
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ZfsArcStats.h"
#include "Meter.h"
extern int ZfsCompressedArcMeter_attributes[];
void ZfsCompressedArcMeter_readStats(Meter* this, ZfsArcStats* stats);
extern MeterClass ZfsCompressedArcMeter_class;
#endif

18
zfs/openzfs_sysctl.c
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@ -20,6 +20,8 @@ static int MIB_kstat_zfs_misc_arcstats_mru_size[5];
static int MIB_kstat_zfs_misc_arcstats_anon_size[5];
static int MIB_kstat_zfs_misc_arcstats_hdr_size[5];
static int MIB_kstat_zfs_misc_arcstats_other_size[5];
static int MIB_kstat_zfs_misc_arcstats_compressed_size[5];
static int MIB_kstat_zfs_misc_arcstats_uncompressed_size[5];
/*{
#include "zfs/ZfsArcStats.h"
@ -41,6 +43,12 @@ void openzfs_sysctl_init(ZfsArcStats *stats) {
sysctlnametomib("kstat.zfs.misc.arcstats.anon_size", MIB_kstat_zfs_misc_arcstats_anon_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.hdr_size", MIB_kstat_zfs_misc_arcstats_hdr_size, &len);
sysctlnametomib("kstat.zfs.misc.arcstats.other_size", MIB_kstat_zfs_misc_arcstats_other_size, &len);
if (sysctlnametomib("kstat.zfs.misc.arcstats.compressed_size", MIB_kstat_zfs_misc_arcstats_compressed_size, &len) == 0) {
stats->isCompressed = 1;
sysctlnametomib("kstat.zfs.misc.arcstats.uncompressed_size", MIB_kstat_zfs_misc_arcstats_uncompressed_size, &len);
} else {
stats->isCompressed = 0;
}
} else {
stats->enabled = 0;
}
@ -77,5 +85,15 @@ void openzfs_sysctl_updateArcStats(ZfsArcStats *stats) {
len = sizeof(stats->other);
sysctl(MIB_kstat_zfs_misc_arcstats_other_size, 5, &(stats->other), &len , NULL, 0);
stats->other /= 1024;
if (stats->isCompressed) {
len = sizeof(stats->compressed);
sysctl(MIB_kstat_zfs_misc_arcstats_compressed_size, 5, &(stats->compressed), &len , NULL, 0);
stats->compressed /= 1024;
len = sizeof(stats->uncompressed);
sysctl(MIB_kstat_zfs_misc_arcstats_uncompressed_size, 5, &(stats->uncompressed), &len , NULL, 0);
stats->uncompressed /= 1024;
}
}
}