From: Tzvetomir (VMware) Stoyanov <tz.stoyanov@xxxxxxxxx>
Added a check if there is a host-guest mapping in the loaded
multiple streams. If there is no such mapping, print an error and
exit the KsComboPlotDialog::update() function.
Signed-off-by: Tzvetomir (VMware) Stoyanov <tz.stoyanov@xxxxxxxxx>
---
src/plugins/KVMCombo.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/plugins/KVMCombo.cpp b/src/plugins/KVMCombo.cpp
index ceb1f47..3ec36b6 100644
--- a/src/plugins/KVMCombo.cpp
+++ b/src/plugins/KVMCombo.cpp
@@ -246,7 +246,12 @@ void KsComboPlotDialog::update()
_guestMap = nullptr;
_guestMapCount = 0;
ret = kshark_tracecmd_get_hostguest_mapping(&_guestMap);
- if (ret > 0)
+ if (ret <= 0) {
+ QString err("Cannot find host / guest tracing into the loaded streams");
+ QMessageBox msgBox;
+ msgBox.critical(nullptr, "Error", err);
+ return;
+ } else
_guestMapCount = ret;
KsUtils::setElidedText(&_hostFileLabel,
--
2.26.2
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