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[qemu-s390x] [PATCH] s390x/kvm: add tracepoint to ioeventfd interface
From: |
Cornelia Huck |
Subject: |
[qemu-s390x] [PATCH] s390x/kvm: add tracepoint to ioeventfd interface |
Date: |
Tue, 12 Feb 2019 16:30:25 +0100 |
Trace when assigning/unassigning.
Signed-off-by: Cornelia Huck <address@hidden>
---
target/s390x/kvm.c | 2 ++
target/s390x/trace-events | 1 +
2 files changed, 3 insertions(+)
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 15fdc168e1c5..7d61bd109092 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1886,6 +1886,8 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier
*notifier, uint32_t sch,
.addr = sch,
.len = 8,
};
+ trace_kvm_s390_assign_subch_ioeventfd(kick.fd, kick.addr, assign,
+ kick.datamatch);
if (!kvm_check_extension(kvm_state, KVM_CAP_IOEVENTFD)) {
return -ENOSYS;
}
diff --git a/target/s390x/trace-events b/target/s390x/trace-events
index a84e316e4937..bdc22f42cdbb 100644
--- a/target/s390x/trace-events
+++ b/target/s390x/trace-events
@@ -14,6 +14,7 @@ ioinst_chsc_cmd(uint16_t cmd, uint16_t len) "IOINST: chsc
command 0x%04x, len 0x
kvm_enable_cmma(int rc) "CMMA: enabling with result code %d"
kvm_clear_cmma(int rc) "CMMA: clearing with result code %d"
kvm_failed_cpu_state_set(int cpu_index, uint8_t state, const char *msg)
"Warning: Unable to set cpu %d state %" PRIu8 " to KVM: %s"
+kvm_s390_assign_subch_ioeventfd(int fd, uint32_t addr, bool assign, int
datamatch) "fd: %d sch: @0x%x assign: %d vq: %d"
# target/s390x/cpu.c
cpu_set_state(int cpu_index, uint8_t state) "setting cpu %d state to %" PRIu8
--
2.17.2