diff mbox series

[v3,12/13] xen: drop calls_to_multicall performance counter

Message ID 20211208155606.20029-13-jgross@suse.com (mailing list archive)
State New, archived
Headers show
Series xen: drop hypercall function tables | expand

Commit Message

Jürgen Groß Dec. 8, 2021, 3:56 p.m. UTC 
The calls_to_multicall performance counter is basically redundant to
the multicall hypercall counter. The only difference is the counting
of continuation calls, which isn't really that interesting.

Drop the calls_to_multicall performance counter.

Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
V2:
- new patch
---
 xen/common/multicall.c       | 1 -
 xen/include/xen/perfc_defn.h | 1 -
 2 files changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/xen/common/multicall.c b/xen/common/multicall.c
index 7b20717c88..2e66f9f0c1 100644
--- a/xen/common/multicall.c
+++ b/xen/common/multicall.c
@@ -114,7 +114,6 @@  do_multicall(
     if ( unlikely(disp == mc_preempt) && i < nr_calls )
         goto preempted;
 
-    perfc_incr(calls_to_multicall);
     perfc_add(calls_from_multicall, i);
     mcs->flags = 0;
     return rc;
diff --git a/xen/include/xen/perfc_defn.h b/xen/include/xen/perfc_defn.h
index 08b182ccd9..eb6152859e 100644
--- a/xen/include/xen/perfc_defn.h
+++ b/xen/include/xen/perfc_defn.h
@@ -6,7 +6,6 @@ 
 
 PERFCOUNTER_ARRAY(hypercalls,           "hypercalls", NR_hypercalls)
 
-PERFCOUNTER(calls_to_multicall,         "calls to multicall")
 PERFCOUNTER(calls_from_multicall,       "calls from multicall")
 
 PERFCOUNTER(irqs,                   "#interrupts")