diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index a6e4c9ddf1..9182b3dbe7 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1950,6 +1950,7 @@
<event name='cpu_clock' enabled='no'/>
<event name='task_clock' enabled='no'/>
<event name='page_faults' enabled='no'/>
+ <event name='context_switches' enabled='no'/>
</perf>
...
@@ -2049,6 +2050,12 @@
types of page faults
perf.page_faults |
+
+ context_switches |
+ the count of context switches by applications running on
+ the platform |
+ perf.context_switches |
+
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 856a2f731e..1a4b6cb631 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -436,6 +436,7 @@
cpu_clock
task_clock
page_faults
+ context_switches
diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h
index 1a6cb19b0a..f7e4cd2dce 100644
--- a/include/libvirt/libvirt-domain.h
+++ b/include/libvirt/libvirt-domain.h
@@ -2220,6 +2220,16 @@ void virDomainStatsRecordListFree(virDomainStatsRecordPtr *stats);
*/
# define VIR_PERF_PARAM_PAGE_FAULTS "page_faults"
+/**
+ * VIR_PERF_PARAM_CONTEXT_SWITCHES:
+ *
+ * Macro for typed parameter name that represents context_switches
+ * perf event which can be used to measure the count of context
+ * switches by applications running on the platform. It corresponds
+ * to the "perf.context_switches" field in the *Stats APIs.
+ */
+# define VIR_PERF_PARAM_CONTEXT_SWITCHES "context_switches"
+
int virDomainGetPerfEvents(virDomainPtr dom,
virTypedParameterPtr *params,
diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
index b3dfd1b3a5..4004350ba2 100644
--- a/src/libvirt-domain.c
+++ b/src/libvirt-domain.c
@@ -11256,6 +11256,9 @@ virConnectGetDomainCapabilities(virConnectPtr conn,
* It is produced by the task_clock perf event.
* "perf.page_faults" - The count of page faults as unsigned long long.
* It is produced by the page_faults perf event
+ * "perf.context_switches" - The count of context switches as unsigned long
+ * long. It is produced by the context_switches
+ * perf event.
*
* Note that entire stats groups or individual stat fields may be missing from
* the output in case they are not supported by the given hypervisor, are not
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 83e9377dce..30acb45f9b 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -9570,6 +9570,7 @@ qemuDomainSetPerfEvents(virDomainPtr dom,
VIR_PERF_PARAM_CPU_CLOCK, VIR_TYPED_PARAM_BOOLEAN,
VIR_PERF_PARAM_TASK_CLOCK, VIR_TYPED_PARAM_BOOLEAN,
VIR_PERF_PARAM_PAGE_FAULTS, VIR_TYPED_PARAM_BOOLEAN,
+ VIR_PERF_PARAM_CONTEXT_SWITCHES, VIR_TYPED_PARAM_BOOLEAN,
NULL) < 0)
return -1;
diff --git a/src/util/virperf.c b/src/util/virperf.c
index 4ae13af19d..ba81e089d0 100644
--- a/src/util/virperf.c
+++ b/src/util/virperf.c
@@ -44,7 +44,8 @@ VIR_ENUM_IMPL(virPerfEvent, VIR_PERF_EVENT_LAST,
"branch_instructions", "branch_misses",
"bus_cycles", "stalled_cycles_frontend",
"stalled_cycles_backend", "ref_cpu_cycles",
- "cpu_clock", "task_clock", "page_faults");
+ "cpu_clock", "task_clock", "page_faults",
+ "context_switches");
struct virPerfEvent {
int type;
@@ -122,6 +123,9 @@ static struct virPerfEventAttr attrs[] = {
{.type = VIR_PERF_EVENT_PAGE_FAULTS,
.attrType = PERF_TYPE_SOFTWARE,
.attrConfig = PERF_COUNT_SW_PAGE_FAULTS},
+ {.type = VIR_PERF_EVENT_CONTEXT_SWITCHES,
+ .attrType = PERF_TYPE_SOFTWARE,
+ .attrConfig = PERF_COUNT_SW_CONTEXT_SWITCHES},
};
typedef struct virPerfEventAttr *virPerfEventAttrPtr;
diff --git a/src/util/virperf.h b/src/util/virperf.h
index 182a9ec8b8..2adc549d90 100644
--- a/src/util/virperf.h
+++ b/src/util/virperf.h
@@ -50,6 +50,7 @@ typedef enum {
VIR_PERF_EVENT_CPU_CLOCK, /* Count of cpu clock time*/
VIR_PERF_EVENT_TASK_CLOCK, /* Count of task clock time*/
VIR_PERF_EVENT_PAGE_FAULTS, /* Count of total page faults */
+ VIR_PERF_EVENT_CONTEXT_SWITCHES, /* Count of context switches */
VIR_PERF_EVENT_LAST
} virPerfEventType;
diff --git a/tests/genericxml2xmlindata/generic-perf.xml b/tests/genericxml2xmlindata/generic-perf.xml
index 3f27887212..29a227392d 100644
--- a/tests/genericxml2xmlindata/generic-perf.xml
+++ b/tests/genericxml2xmlindata/generic-perf.xml
@@ -29,6 +29,7 @@
+
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 0f825c3d46..2347b53dfb 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -967,6 +967,7 @@ I<--perf> returns the statistics of all enabled perf events:
"perf.cpu_clock" - the count of cpu clock time
"perf.task_clock" - the count of task clock time
"perf.page_faults" - the count of page faults
+ "perf.context_switches" - the count of context switches
See the B command for more details about each event.
@@ -2342,6 +2343,8 @@ B
applications running on the platform.
page_faults - Provides the count of page faults by
applications running on the platform.
+ context_switches - Provides the count of context switches
+ by applications running on the platform.
B: The statistics can be retrieved using the B command using
the I<--perf> flag.