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FreeBSD: implement Platform_getDiskIO()

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This commit is contained in:
Christian Goettsche 2020-10-21 17:06:32 +02:00 committed by cgzones
parent c91061c84b
commit c2fdfd99eb
17 changed files with 87 additions and 59 deletions
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17
DiskIOMeter.c
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@ -44,23 +44,24 @@ static void DiskIOMeter_updateValues(Meter* this, char* buffer, int len) {
if (passedTimeInMs > 500) {
cached_last_update = timeInMilliSeconds;
unsigned long int bytesRead, bytesWrite, msTimeSpend;
DiskIOData data;
hasData = Platform_getDiskIO(&bytesRead, &bytesWrite, &msTimeSpend);
hasData = Platform_getDiskIO(&data);
if (!hasData) {
this->values[0] = 0;
xSnprintf(buffer, len, "no data");
return;
}
cached_read_diff = (bytesRead - cached_read_total) / 1024; /* Meter_humanUnit() expects unit in kilo */
cached_read_total = bytesRead;
cached_read_diff = (data.totalBytesRead - cached_read_total) / 1024; /* Meter_humanUnit() expects unit in kilo */
cached_read_total = data.totalBytesRead;
cached_write_diff = (bytesWrite - cached_write_total) / 1024; /* Meter_humanUnit() expects unit in kilo */
cached_write_total = bytesWrite;
cached_write_diff = (data.totalBytesWritten - cached_write_total) / 1024; /* Meter_humanUnit() expects unit in kilo */
cached_write_total = data.totalBytesWritten;
cached_utilisation_diff = 100 * (double)(msTimeSpend - cached_msTimeSpend_total) / passedTimeInMs;
cached_msTimeSpend_total = msTimeSpend;
cached_utilisation_diff = 100 * (double)(data.totalMsTimeSpend - cached_msTimeSpend_total) / passedTimeInMs;
cached_msTimeSpend_total = data.totalMsTimeSpend;
}
this->values[0] = cached_utilisation_diff;

6
DiskIOMeter.h
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@ -9,6 +9,12 @@ in the source distribution for its full text.
#include "Meter.h"
typedef struct DiskIOData_ {
unsigned long int totalBytesRead;
unsigned long int totalBytesWritten;
unsigned long int totalMsTimeSpend;
} DiskIOData;
extern const MeterClass DiskIOMeter_class;
#endif /* HEADER_DiskIOMeter */

3
configure.ac
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@ -102,6 +102,9 @@ CFLAGS="$save_cflags"
# Add -lexecinfo if needed
AC_SEARCH_LIBS([backtrace], [execinfo])
# Add -ldevstat if needed
AC_SEARCH_LIBS([devstat_checkversion], [devstat])
# Checks for features and flags.
# ----------------------------------------------------------------------
PROCDIR=/proc

6
darwin/Platform.c
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@ -311,11 +311,9 @@ char* Platform_getProcessEnv(pid_t pid) {
return env;
}
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend) {
bool Platform_getDiskIO(DiskIOData* data) {
// TODO
*bytesRead = *bytesWrite = *msTimeSpend = 0;
(void)data;
return false;
}

5
darwin/Platform.h
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@ -11,6 +11,7 @@ in the source distribution for its full text.
#include "Action.h"
#include "SignalsPanel.h"
#include "CPUMeter.h"
#include "DiskIOMeter.h"
#include "BatteryMeter.h"
#include "DarwinProcess.h"
@ -48,9 +49,7 @@ void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,

6
dragonflybsd/Platform.c
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@ -206,11 +206,9 @@ char* Platform_getProcessEnv(pid_t pid) {
return NULL;
}
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend) {
bool Platform_getDiskIO(DiskIOData* data) {
// TODO
*bytesRead = *bytesWrite = *msTimeSpend = 0;
(void)data;
return false;
}

5
dragonflybsd/Platform.h
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@ -10,6 +10,7 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "DiskIOMeter.h"
#include "SignalsPanel.h"
extern ProcessFieldData Process_fields[];
@ -40,9 +41,7 @@ void Platform_setSwapValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,

47
freebsd/Platform.c
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@ -7,6 +7,7 @@ in the source distribution for its full text.
#include "Platform.h"
#include <devstat.h>
#include <math.h>
#include <time.h>
#include <net/if.h>
@ -21,6 +22,7 @@ in the source distribution for its full text.
#include "ClockMeter.h"
#include "DateMeter.h"
#include "DateTimeMeter.h"
#include "DiskIOMeter.h"
#include "FreeBSDProcess.h"
#include "FreeBSDProcessList.h"
#include "HostnameMeter.h"
@ -111,6 +113,7 @@ const MeterClass* const Platform_meterTypes[] = {
&BlankMeter_class,
&ZfsArcMeter_class,
&ZfsCompressedArcMeter_class,
&DiskIOMeter_class,
&NetworkIOMeter_class,
NULL
};
@ -240,12 +243,44 @@ char* Platform_getProcessEnv(pid_t pid) {
return env;
}
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend) {
// TODO
*bytesRead = *bytesWrite = *msTimeSpend = 0;
return false;
bool Platform_getDiskIO(DiskIOData* data) {
if (devstat_checkversion(NULL) < 0)
return false;
struct devinfo info = { 0 };
struct statinfo current = { .dinfo = &info };
// get number of devices
if (devstat_getdevs(NULL, &current) < 0)
return false;
int count = current.dinfo->numdevs;
unsigned long int bytesReadSum = 0, bytesWriteSum = 0, timeSpendSum = 0;
// get data
for (int i = 0; i < count; i++) {
uint64_t bytes_read, bytes_write;
long double busy_time;
devstat_compute_statistics(&current.dinfo->devices[i],
NULL,
1.0,
DSM_TOTAL_BYTES_READ, &bytes_read,
DSM_TOTAL_BYTES_WRITE, &bytes_write,
DSM_TOTAL_BUSY_TIME, &busy_time,
DSM_NONE);
bytesReadSum += bytes_read;
bytesWriteSum += bytes_write;
timeSpendSum += 1000 * busy_time;
}
data->totalBytesRead = bytesReadSum;
data->totalBytesWritten = bytesWriteSum;
data->totalMsTimeSpend = timeSpendSum;
return true;
}
bool Platform_getNetworkIO(unsigned long int *bytesReceived,

5
freebsd/Platform.h
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@ -9,6 +9,7 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "DiskIOMeter.h"
#include "SignalsPanel.h"
extern ProcessFieldData Process_fields[];
@ -43,9 +44,7 @@ void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,

8
linux/Platform.c
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@ -313,7 +313,7 @@ void Platform_getPressureStall(const char *file, bool some, double* ten, double*
fclose(fd);
}
bool Platform_getDiskIO(unsigned long int *bytesRead, unsigned long int *bytesWrite, unsigned long int *msTimeSpend) {
bool Platform_getDiskIO(DiskIOData* data) {
FILE *fd = fopen(PROCDIR "/diskstats", "r");
if (!fd)
return false;
@ -352,9 +352,9 @@ bool Platform_getDiskIO(unsigned long int *bytesRead, unsigned long int *bytesWr
}
fclose(fd);
/* multiply with sector size */
*bytesRead = 512 * read_sum;
*bytesWrite = 512 * write_sum;
*msTimeSpend = timeSpend_sum;
data->totalBytesRead = 512 * read_sum;
data->totalBytesWritten = 512 * write_sum;
data->totalMsTimeSpend = timeSpend_sum;
return true;
}

5
linux/Platform.h
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@ -11,6 +11,7 @@ in the source distribution for its full text.
#include <sys/types.h>
#include "Action.h"
#include "DiskIOMeter.h"
#include "Meter.h"
#include "Process.h"
#include "SignalsPanel.h"
@ -46,9 +47,7 @@ char* Platform_getProcessEnv(pid_t pid);
void Platform_getPressureStall(const char *file, bool some, double* ten, double* sixty, double* threehundred);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,

6
openbsd/Platform.c
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@ -288,11 +288,9 @@ char* Platform_getProcessEnv(pid_t pid) {
return env;
}
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend) {
bool Platform_getDiskIO(DiskIOData* data) {
// TODO
*bytesRead = *bytesWrite = *msTimeSpend = 0;
(void)data;
return false;
}

5
openbsd/Platform.h
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@ -10,6 +10,7 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "DiskIOMeter.h"
#include "SignalsPanel.h"
extern ProcessFieldData Process_fields[];
@ -41,9 +42,7 @@ void Platform_setSwapValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,

6
solaris/Platform.c
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@ -264,11 +264,9 @@ char* Platform_getProcessEnv(pid_t pid) {
return envBuilder.env;
}
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend) {
bool Platform_getDiskIO(DiskIOData* data) {
// TODO
*bytesRead = *bytesWrite = *msTimeSpend = 0;
(void)data;
return false;
}

5
solaris/Platform.h
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@ -11,6 +11,7 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "DiskIOMeter.h"
#include "SignalsPanel.h"
#include <signal.h>
#include <sys/mkdev.h>
@ -63,9 +64,7 @@ void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,

6
unsupported/Platform.c
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@ -141,10 +141,8 @@ char* Platform_getProcessEnv(pid_t pid) {
return NULL;
}
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend) {
*bytesRead = *bytesWrite = *msTimeSpend = 0;
bool Platform_getDiskIO(DiskIOData* data) {
(void)data;
return false;
}

5
unsupported/Platform.h
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@ -10,6 +10,7 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "DiskIOMeter.h"
#include "SignalsPanel.h"
#include "UnsupportedProcess.h"
@ -47,9 +48,7 @@ bool Process_isThread(const Process* this);
char* Platform_getProcessEnv(pid_t pid);
bool Platform_getDiskIO(unsigned long int *bytesRead,
unsigned long int *bytesWrite,
unsigned long int *msTimeSpend);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(unsigned long int *bytesReceived,
unsigned long int *packetsReceived,