pcm-pcie: check if the required CHA PMUs are available

rdementi · rdementi · commit 3270122bd59d · 2025-06-02T16:25:06.000+02:00
Change-Id: I0abf74105788c3d47d0e08a9e256bd480e553dbe
diff --git a/src/pcm-pcie.h b/src/pcm-pcie.h
@@ -70,6 +70,12 @@ void IPlatform::init()
 {
     print_cpu_details();
 
+    if (m_pcm->getMaxNumOfUncorePMUs(PCM::CBO_PMU_ID) == 0) // CHAs (CBoxes) PMUs are not available
+    {
+        cerr << "Your processor/system does not support CHA PCIe performance counters. Program aborted\n";
+        exit(EXIT_FAILURE);
+    }
+
     if (m_pcm->isMaxNumOfCBoxesBasedOnCoreCount() &&  m_pcm->isSomeCoreOfflined())
     {
         /*

Original file line number	Diff line number	Diff line change
`@@ -70,6 +70,12 @@ void IPlatform::init()`
`70`	`70`	`{`
`71`	`71`	`print_cpu_details();`
`72`	`72`
	`73`	`+ if (m_pcm->getMaxNumOfUncorePMUs(PCM::CBO_PMU_ID) == 0) // CHAs (CBoxes) PMUs are not available`
	`74`	`+ {`
	`75`	`+ cerr << "Your processor/system does not support CHA PCIe performance counters. Program aborted\n";`
	`76`	`+ exit(EXIT_FAILURE);`
	`77`	`+ }`
	`78`	`+`
`73`	`79`	`if (m_pcm->isMaxNumOfCBoxesBasedOnCoreCount() && m_pcm->isSomeCoreOfflined())`
`74`	`80`	`{`
`75`	`81`	`/*`