The tot_count field of the Visualization model descriptor provides
fast access to the total number of entries being currently visualized.
Signed-off-by: Yordan Karadzhov <ykaradzhov@xxxxxxxxxx>
---
kernel-shark-qt/src/libkshark-model.c | 7 +++++++
kernel-shark-qt/src/libkshark-model.h | 3 +++
2 files changed, 10 insertions(+)
diff --git a/kernel-shark-qt/src/libkshark-model.c b/kernel-shark-qt/src/libkshark-model.c
index ef6ad48..461f88e 100644
--- a/kernel-shark-qt/src/libkshark-model.c
+++ b/kernel-shark-qt/src/libkshark-model.c
@@ -298,6 +298,7 @@ static void ksmodel_set_bin_counts(struct kshark_trace_histo *histo)
{
int i = 0, prev_not_empty;
+ histo->tot_count = 0;
memset(&histo->bin_count[0], 0,
(histo->n_bins) * sizeof(histo->bin_count[0]));
/*
@@ -329,6 +330,10 @@ static void ksmodel_set_bin_counts(struct kshark_trace_histo *histo)
histo->bin_count[prev_not_empty] =
histo->map[i] - histo->map[prev_not_empty];
+ if (prev_not_empty != LOB(histo))
+ histo->tot_count +=
+ histo->bin_count[prev_not_empty];
+
prev_not_empty = i;
}
}
@@ -350,6 +355,8 @@ static void ksmodel_set_bin_counts(struct kshark_trace_histo *histo)
histo->bin_count[prev_not_empty] = histo->map[UOB(histo)] -
histo->map[prev_not_empty];
}
+
+ histo->tot_count += histo->bin_count[prev_not_empty];
}
/**
diff --git a/kernel-shark-qt/src/libkshark-model.h b/kernel-shark-qt/src/libkshark-model.h
index db681cc..95c30b6 100644
--- a/kernel-shark-qt/src/libkshark-model.h
+++ b/kernel-shark-qt/src/libkshark-model.h
@@ -51,6 +51,9 @@ struct kshark_trace_histo {
/** Number of entries in each bin. */
size_t *bin_count;
+ /** Total number of entries in all bin except the overflow bins. */
+ int tot_count;
+
/**
* Lower edge of the time-window to be visualized. Only entries having
* timestamp >= min will be visualized.
--
2.17.1
|