void output(struct vg_data *now, struct vg_data *prev, unsigned int flag)
{
long long ms_now, ms_prev;
struct tm *tm;
char timestamp[BUFSIZE];
if (now == NULL) {
printf("output: BUG: now is NULL\n");
exit(1);
}
ms_now = (long long)now->ts.tv_sec * 1000000
+ (long long)now->ts.tv_usec;
ms_prev = (long long)prev->ts.tv_sec * 1000000
+ (long long)prev->ts.tv_usec;
if (flag & FLAG_UNIXTIME) {
printf("%-24ld ", now->ts.tv_sec);
} else {
tm = localtime((time_t*) &(now->ts.tv_sec));
strftime(timestamp, BUFSIZE, "%FT%T%z", tm);
printf("%24s ", timestamp);
}
if (IS_RAWOUTPUT(flag)) {
printf("%lu ", now->id);
printf("%u ", now->hostmhz); /* MHz */
printf("%u ", now->reservemhz); /* MHz */
printf("%u ", now->limitmhz); /* MHz */
printf("%u ", now->cpushares);
printf("%lu ", now->elapsedms); /* ms */
printf("%lu ", now->usedms); /* ms */
printf("%lu ", now->stolenms); /* ms */
printf("%u ", now->reservemb); /* MB */
printf("%u ", now->limitmb); /* MB */
printf("%u ", now->memshares);
printf("%u ", now->mappedsize); /* MB */
printf("%u ", now->active); /* MB */
printf("%u ", now->overhead); /* MB */
printf("%u ", now->ballooned); /* MB */
printf("%u ", now->swapped); /* MB */
printf("%u ", now->sharedmb); /* MB */
printf("%u ", now->sharedsavedmb); /* MB */
printf("%u ", now->usedmb); /* MB */
printf("%lld ", (ms_now - ms_prev) / 1000); /* guest clock */
printf("%8.2f ",
(double)100 * (now->usedms - prev->usedms) /
(double)(now->elapsedms - prev->elapsedms));
/* cpu usage rate */
printf("%8.2f",
(double)100 * (now->stolenms - prev->stolenms) /
(double)(now->elapsedms - prev->elapsedms));
/* %ready rate */
} else {
if (prev == NULL) {
printf("output: BUG: prev is NULL for non-raw mode!\n");
exit(1);
}
printf("%8lld ", (ms_now - ms_prev) / 1000); /* guest clock */
printf("%8lu ", now->elapsedms - prev->elapsedms);
printf("%8lu ", now->usedms - prev->usedms);
printf("%8lu ", now->stolenms - prev->stolenms);
printf("%8.2f ",
(double)100 * (now->usedms - prev->usedms) /
(double)(now->elapsedms - prev->elapsedms));
/* cpu usage rate */
printf("%8.2f",
(double)100 * (now->stolenms - prev->stolenms) /
(double)(now->elapsedms - prev->elapsedms));
/* %ready rate */
}
printf("\n");
return;
}
int main (int argc, char **argv)
{
char c;
unsigned int flag = 0;
int interval = 1, count = 0, max_count = 1;
struct vg_data vg_now, vg_prev;
VMGuestLibError ret;
while ((c = getopt(argc, argv, "i:c:hvru")) != -1) {
switch(c) {
case 'i':
interval = atoi(optarg);
break;
case 'c':
max_count = atoi(optarg);
break;
case 'h':
usage();
return 0;
break;
case 'r': /* raw output */
flag |= FLAG_RAWOUTPUT;
break;
case 'v': /* verbose mode */
flag |= FLAG_VERBOSE;
break;
case 'u':
flag |= FLAG_UNIXTIME;
break;
default:
printf("Unkown option '%c'\n", c);
}
}
memset(&vg_now, 0x0, sizeof(struct vg_data));
ret = VMGuestLib_OpenHandle(&vg_now.handle);
if (ret != VMGUESTLIB_ERROR_SUCCESS) {
if (IS_VERBOSE(flag)) {
printf("VMGuestLib_OpenHandle: %d (%s)\n",
ret, VMGuestLib_GetErrorText(ret));
}
return 1;
}
if (sample(&vg_now, flag) != 0) {
goto bailout;
}
if (IS_RAWOUTPUT(flag)) {
printf("Timestamp "
"SessionId "
"HostProcessorSpeed "
"CpuReservationMHz CpuLimitMHz CpuShares "
"ElapsedMs CpuUsedMs CpuStolenMs "
"MemReservationMB MemLimitMB MemShares MemMappedMB "
"MemActiveMB MemOverheadMB MemBalloonedMB MemSwappedMB "
"MemSharedMB MemSharedSavedMB MemUsedMB\n"
);
} else {
printf("%-24s %-8s %-8s %8s %8s %8s %8s\n",
"Timestamp", "intvl(g)", "intvl(h)",
"used", "stolen", "%used", "%ready");
}
for (count = 0; count < max_count; count++) {
vg_prev = vg_now;
sleep(interval);
if (sample(&vg_now, flag) != 0) {
goto bailout;
}
output(&vg_now, &vg_prev, flag);
}
bailout:
ret = VMGuestLib_CloseHandle(vg_now.handle);
if (ret != VMGUESTLIB_ERROR_SUCCESS) {
if (IS_VERBOSE(flag)) {
printf("VMGuestLib_CloseHandle: %d (%s)\n",
ret, VMGuestLib_GetErrorText(ret));
}
return 1;
}
return 0;
}
void output(struct vg_data *now, struct vg_data *prev, unsigned int flag)
{
long long ms_now, ms_prev;
struct tm *tm;
if (now == NULL) {
printf("output: BUG: now is NULL\n");
exit(1);
}
ms_now = (long long)now->ts.tv_sec * 1000000
+ (long long)now->ts.tv_usec;
ms_prev = (long long)prev->ts.tv_sec * 1000000
+ (long long)prev->ts.tv_usec;
if (flag & FLAG_UNIXTIME) {
printf("%ld ", now->ts.tv_sec);
} else {
tm = localtime((time_t*) &(now->ts.tv_sec));
printf("%04d/%02d/%02d %02d:%02d:%02d ",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
if (IS_RAWOUTPUT(flag)) {
printf("%llu ", now->id);
printf("%u ", now->hostmhz); /* MHz */
printf("%u ", now->reservemhz); /* MHz */
printf("%u ", now->limitmhz); /* MHz */
printf("%u ", now->cpushares);
printf("%llu ", now->elapsedms); /* ms */
printf("%llu ", now->usedms); /* ms */
printf("%u ", now->reservemb); /* MB */
printf("%u ", now->limitmb); /* MB */
printf("%u ", now->memshares);
printf("%u ", now->mappedsize); /* MB */
printf("%u ", now->active); /* MB */
printf("%u ", now->overhead); /* MB */
printf("%u ", now->ballooned); /* MB */
printf("%u ", now->swapped); /* MB */
printf("%u ", now->sharedmb); /* MB */
printf("%u ", now->sharedsavedmb); /* MB */
printf("%u ", now->usedmb); /* MB */
printf("%lld ", (ms_now - ms_prev) / 1000); /* guest clock */
printf("%6.2f",
(double)100 * (now->usedms - prev->usedms) /
(double)(now->elapsedms - prev->elapsedms));
/* cpu usage rate */
} else {
if (prev == NULL) {
printf("output: BUG: prev is NULL for non-raw mode!\n");
exit(1);
}
printf("%lld ", (ms_now - ms_prev) / 1000); /* guest clock */
printf("%llu ", now->elapsedms - prev->elapsedms);
printf("%llu ", now->usedms - prev->usedms);
printf("%6.2f",
(double)100 * (now->usedms - prev->usedms) /
(double)(now->elapsedms - prev->elapsedms));
/* cpu usage rate */
}
printf("\n");
return;
}