[PATCH 3/3] migration: clean up postcopy blocktime presentation

[Bin Guo <guobin@linux.alibaba.com>]

Small cleanups for the postcopy blocktime fine-grained tracking
feature:

* Remove a redundant memset() on latency_buckets after g_new0().
* Use singular "Latency" in the HMP label for postcopy non-vCPU
  latency, consistent with other single-value labels.

Signed-off-by: Bin Guo <guobin@linux.alibaba.com>
---
 migration/migration-hmp-cmds.c | 2 +-
 migration/postcopy-ram.c       | 3 ---
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
index 6bedf786df..4a18ca8bba 100644
--- a/migration/migration-hmp-cmds.c
+++ b/migration/migration-hmp-cmds.c
@@ -96,7 +96,7 @@ static void migration_dump_blocktime(Monitor *mon, MigrationInfo *info)
     }
 
     if (info->has_postcopy_non_vcpu_latency) {
-        monitor_printf(mon, "Postcopy non-vCPU Latencies (ns): %" PRIu64 "\n",
+        monitor_printf(mon, "Postcopy non-vCPU Latency (ns): %" PRIu64 "\n",
                        info->postcopy_non_vcpu_latency);
     }
 
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index 341cad264a..28d698260e 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -297,9 +297,6 @@ static struct PostcopyBlocktimeContext *blocktime_context_new(void)
     unsigned int smp_cpus = ms->smp.cpus;
     PostcopyBlocktimeContext *ctx = g_new0(PostcopyBlocktimeContext, 1);
 
-    /* Initialize all counters to be zeros */
-    memset(ctx->latency_buckets, 0, sizeof(ctx->latency_buckets));
-
     ctx->vcpu_blocktime_total = g_new0(uint64_t, smp_cpus);
     ctx->vcpu_faults_count = g_new0(uint64_t, smp_cpus);
     ctx->vcpu_faults_current = g_new0(uint8_t, smp_cpus);
-- 
2.50.1 (Apple Git-155)