kvm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Peter Xu <zhexu@redhat.com>
To: kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>, peterx@redhat.com
Subject: [PATCH 1/3] KVM: X86: Trace vcpu_id for vmexit
Date: Mon, 29 Jul 2019 13:32:41 +0800	[thread overview]
Message-ID: <20190729053243.9224-2-peterx@redhat.com> (raw)
In-Reply-To: <20190729053243.9224-1-peterx@redhat.com>

It helps to pair vmenters and vmexis with multi-core systems.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 arch/x86/kvm/trace.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 4d47a2631d1f..26423d2e45df 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -232,17 +232,20 @@ TRACE_EVENT(kvm_exit,
 		__field(	u32,	        isa             )
 		__field(	u64,	        info1           )
 		__field(	u64,	        info2           )
+		__field(	int,	        vcpu_id         )
 	),
 
 	TP_fast_assign(
 		__entry->exit_reason	= exit_reason;
 		__entry->guest_rip	= kvm_rip_read(vcpu);
 		__entry->isa            = isa;
+		__entry->vcpu_id        = vcpu->vcpu_id;
 		kvm_x86_ops->get_exit_info(vcpu, &__entry->info1,
 					   &__entry->info2);
 	),
 
-	TP_printk("reason %s rip 0x%lx info %llx %llx",
+	TP_printk("vcpu %d reason %s rip 0x%lx info %llx %llx",
+		  __entry->vcpu_id,
 		 (__entry->isa == KVM_ISA_VMX) ?
 		 __print_symbolic(__entry->exit_reason, VMX_EXIT_REASONS) :
 		 __print_symbolic(__entry->exit_reason, SVM_EXIT_REASONS),
-- 
2.21.0


  reply	other threads:[~2019-07-29  5:32 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-29  5:32 [PATCH 0/3] KVM: X86: Some tracepoint enhancements Peter Xu
2019-07-29  5:32 ` Peter Xu [this message]
2019-07-29 16:28   ` [PATCH 1/3] KVM: X86: Trace vcpu_id for vmexit Sean Christopherson
2019-07-30  1:49     ` Peter Xu
2019-07-31 21:49   ` Krish Sadhukhan
2019-07-29  5:32 ` [PATCH 2/3] KVM: X86: Remove tailing newline for tracepoints Peter Xu
2019-08-01  0:19   ` Krish Sadhukhan
2019-08-01  3:39   ` Wanpeng Li
2019-08-13 16:43     ` Peter Xu
2019-07-29  5:32 ` [PATCH 3/3] KVM: X86: Tune PLE Window tracepoint Peter Xu
2019-07-29 16:23   ` Sean Christopherson
2019-07-30  1:43     ` Peter Xu
2019-07-30  2:06       ` Sean Christopherson
2019-07-30  2:12         ` Peter Xu
2019-07-30  2:25           ` Peter Xu
2019-07-30  2:28             ` Sean Christopherson
2019-07-30  2:39               ` Peter Xu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190729053243.9224-2-peterx@redhat.com \
    --to=zhexu@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=peterx@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).