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qemu: monitor: Drop parsing of 'errs' from block info

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The error count statistic is not supported by qemu, so there's no need
to pass the variables around if the result is ignored anyways.
This commit is contained in:
Peter Krempa 2015-03-09 15:25:17 +01:00
parent 7e9fb15145
commit 32288fc9b9
8 changed files with 25 additions and 34 deletions
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11
src/qemu/qemu_driver.c
View File

@ -10536,6 +10536,9 @@ qemuDomainBlockStats(virDomainPtr dom,
priv = vm->privateData;
/* qemu doesn't report the error count */
stats->errs = -1;
qemuDomainObjEnterMonitor(driver, vm);
ret = qemuMonitorGetBlockStatsInfo(priv->mon,
diskAlias,
@ -10546,8 +10549,7 @@ qemuDomainBlockStats(virDomainPtr dom,
&stats->wr_bytes,
NULL,
NULL,
NULL,
&stats->errs);
NULL);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
ret = -1;
@ -10574,7 +10576,7 @@ qemuDomainBlockStatsFlags(virDomainPtr dom,
virDomainObjPtr vm;
qemuDomainObjPrivatePtr priv;
long long rd_req, rd_bytes, wr_req, wr_bytes, rd_total_times;
long long wr_total_times, flush_req, flush_total_times, errs;
long long wr_total_times, flush_req, flush_total_times;
char *diskAlias = NULL;
virCheckFlags(VIR_TYPED_PARAM_STRING_OKAY, -1);
@ -10643,8 +10645,7 @@ qemuDomainBlockStatsFlags(virDomainPtr dom,
&wr_bytes,
&wr_total_times,
&flush_req,
&flush_total_times,
&errs);
&flush_total_times);
if (qemuDomainObjExitMonitor(driver, vm) < 0)
ret = -1;

9
src/qemu/qemu_monitor.c
View File

@ -1817,8 +1817,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
long long *wr_bytes,
long long *wr_total_times,
long long *flush_req,
long long *flush_total_times,
long long *errs)
long long *flush_total_times)
{
int ret;
VIR_DEBUG("mon=%p dev=%s", mon, dev_name);
@ -1836,8 +1835,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
wr_req, wr_bytes,
wr_total_times,
flush_req,
flush_total_times,
errs);
flush_total_times);
else
ret = qemuMonitorTextGetBlockStatsInfo(mon, dev_name,
rd_req, rd_bytes,
@ -1845,8 +1843,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
wr_req, wr_bytes,
wr_total_times,
flush_req,
flush_total_times,
errs);
flush_total_times);
return ret;
}

3
src/qemu/qemu_monitor.h
View File

@ -366,8 +366,7 @@ int qemuMonitorGetBlockStatsInfo(qemuMonitorPtr mon,
long long *wr_bytes,
long long *wr_total_times,
long long *flush_req,
long long *flush_total_times,
long long *errs);
long long *flush_total_times);
typedef struct _qemuBlockStats qemuBlockStats;
typedef qemuBlockStats *qemuBlockStatsPtr;

6
src/qemu/qemu_monitor_json.c
View File

@ -1677,15 +1677,14 @@ int qemuMonitorJSONGetBlockStatsInfo(qemuMonitorPtr mon,
long long *wr_bytes,
long long *wr_total_times,
long long *flush_req,
long long *flush_total_times,
long long *errs)
long long *flush_total_times)
{
qemuBlockStats *stats;
virHashTablePtr blockstats = NULL;
int ret = -1;
*rd_req = *rd_bytes = -1;
*wr_req = *wr_bytes = *errs = -1;
*wr_req = *wr_bytes = -1;
if (rd_total_times)
*rd_total_times = -1;
@ -1709,7 +1708,6 @@ int qemuMonitorJSONGetBlockStatsInfo(qemuMonitorPtr mon,
*rd_bytes = stats->rd_bytes;
*wr_req = stats->wr_req;
*wr_bytes = stats->wr_bytes;
*errs = -1; /* QEMU does not have this */
if (rd_total_times)
*rd_total_times = stats->rd_total_times;

3
src/qemu/qemu_monitor_json.h
View File

@ -80,8 +80,7 @@ int qemuMonitorJSONGetBlockStatsInfo(qemuMonitorPtr mon,
long long *wr_bytes,
long long *wr_total_times,
long long *flush_req,
long long *flush_total_times,
long long *errs);
long long *flush_total_times);
int qemuMonitorJSONGetAllBlockStatsInfo(qemuMonitorPtr mon,
virHashTablePtr *ret_stats,
bool backingChain);

5
src/qemu/qemu_monitor_text.c
View File

@ -847,8 +847,7 @@ int qemuMonitorTextGetBlockStatsInfo(qemuMonitorPtr mon,
long long *wr_bytes,
long long *wr_total_times,
long long *flush_req,
long long *flush_total_times,
long long *errs)
long long *flush_total_times)
{
char *info = NULL;
int ret = -1;
@ -872,7 +871,7 @@ int qemuMonitorTextGetBlockStatsInfo(qemuMonitorPtr mon,
}
*rd_req = *rd_bytes = -1;
*wr_req = *wr_bytes = *errs = -1;
*wr_req = *wr_bytes = -1;
if (rd_total_times)
*rd_total_times = -1;

3
src/qemu/qemu_monitor_text.h
View File

@ -69,8 +69,7 @@ int qemuMonitorTextGetBlockStatsInfo(qemuMonitorPtr mon,
long long *wr_bytes,
long long *wr_total_times,
long long *flush_req,
long long *flush_total_times,
long long *errs);
long long *flush_total_times);
int qemuMonitorTextGetBlockStatsParamsNumber(qemuMonitorPtr mon,
int *nparams);
int qemuMonitorTextGetBlockExtent(qemuMonitorPtr mon,

19
tests/qemumonitorjsontest.c
View File

@ -1438,7 +1438,7 @@ testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo(const void *data)
int ret = -1;
long long rd_req, rd_bytes, rd_total_times;
long long wr_req, wr_bytes, wr_total_times;
long long flush_req, flush_total_times, errs;
long long flush_req, flush_total_times;
int nparams;
unsigned long long extent;
@ -1552,7 +1552,7 @@ testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo(const void *data)
}
#define CHECK(RD_REQ, RD_BYTES, RD_TOTAL_TIMES, WR_REQ, WR_BYTES, WR_TOTAL_TIMES, \
FLUSH_REQ, FLUSH_TOTAL_TIMES, ERRS) \
FLUSH_REQ, FLUSH_TOTAL_TIMES) \
CHECK0(rd_req, RD_REQ) \
CHECK0(rd_bytes, RD_BYTES) \
CHECK0(rd_total_times, RD_TOTAL_TIMES) \
@ -1560,32 +1560,31 @@ testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo(const void *data)
CHECK0(wr_bytes, WR_BYTES) \
CHECK0(wr_total_times, WR_TOTAL_TIMES) \
CHECK0(flush_req, FLUSH_REQ) \
CHECK0(flush_total_times, FLUSH_TOTAL_TIMES) \
CHECK0(errs, ERRS)
CHECK0(flush_total_times, FLUSH_TOTAL_TIMES)
if (qemuMonitorJSONGetBlockStatsInfo(qemuMonitorTestGetMonitor(test), "virtio-disk0",
&rd_req, &rd_bytes, &rd_total_times,
&wr_req, &wr_bytes, &wr_total_times,
&flush_req, &flush_total_times, &errs) < 0)
&flush_req, &flush_total_times) < 0)
goto cleanup;
CHECK(1279, 28505088, 640616474, 174, 2845696, 530699221, 0, 0, -1)
CHECK(1279, 28505088, 640616474, 174, 2845696, 530699221, 0, 0)
if (qemuMonitorJSONGetBlockStatsInfo(qemuMonitorTestGetMonitor(test), "virtio-disk1",
&rd_req, &rd_bytes, &rd_total_times,
&wr_req, &wr_bytes, &wr_total_times,
&flush_req, &flush_total_times, &errs) < 0)
&flush_req, &flush_total_times) < 0)
goto cleanup;
CHECK(85, 348160, 8232156, 0, 0, 0, 0, 0, -1)
CHECK(85, 348160, 8232156, 0, 0, 0, 0, 0)
if (qemuMonitorJSONGetBlockStatsInfo(qemuMonitorTestGetMonitor(test), "ide0-1-0",
&rd_req, &rd_bytes, &rd_total_times,
&wr_req, &wr_bytes, &wr_total_times,
&flush_req, &flush_total_times, &errs) < 0)
&flush_req, &flush_total_times) < 0)
goto cleanup;
CHECK(16, 49250, 1004952, 0, 0, 0, 0, 0, -1)
CHECK(16, 49250, 1004952, 0, 0, 0, 0, 0)
if (qemuMonitorJSONGetBlockStatsParamsNumber(qemuMonitorTestGetMonitor(test),
&nparams) < 0)