package org.eclipse.tracecompass.internal.lttng2.ust.core.callstack;
-import java.util.HashSet;
import java.util.Set;
import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.tracecompass.internal.lttng2.ust.core.trace.layout.LttngUst20EventLayout;
+import org.eclipse.tracecompass.lttng2.ust.core.trace.LttngUstTrace;
+import org.eclipse.tracecompass.lttng2.ust.core.trace.layout.ILttngUstEventLayout;
import org.eclipse.tracecompass.tmf.core.callstack.CallStackStateProvider;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
import org.eclipse.tracecompass.tmf.core.event.ITmfEventField;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent;
+import com.google.common.collect.ImmutableSet;
+
/**
* Callstack provider for LTTng-UST traces.
*
*/
public class LttngUstCallStackProvider extends CallStackStateProvider {
- // ------------------------------------------------------------------------
- // Event strings
- // ------------------------------------------------------------------------
-
- /** Name of the fake field for the vtid contexts */
- private static final String CONTEXT_VTID = "context._vtid"; //$NON-NLS-1$
-
- /** Name of the fake field for the procname context */
- private static final String CONTEXT_PROCNAME = "context._procname"; //$NON-NLS-1$
-
- /** Field name for the target function address */
- private static final String FIELD_ADDR = "addr"; //$NON-NLS-1$
-
- /** Event names indicating function entry */
- private static final Set<String> FUNC_ENTRY_EVENTS = new HashSet<>();
-
- /** Event names indicating function exit */
- private static final Set<String> FUNC_EXIT_EVENTS = new HashSet<>();
-
- static {
- /* This seems overkill, but it will be checked every event. Gotta go FAST! */
- FUNC_ENTRY_EVENTS.add("lttng_ust_cyg_profile:func_entry"); //$NON-NLS-1$
- FUNC_ENTRY_EVENTS.add("lttng_ust_cyg_profile_fast:func_entry"); //$NON-NLS-1$
-
- FUNC_EXIT_EVENTS.add("lttng_ust_cyg_profile:func_exit"); //$NON-NLS-1$
- FUNC_EXIT_EVENTS.add("lttng_ust_cyg_profile_fast:func_exit"); //$NON-NLS-1$
- }
-
/**
* Version number of this state provider. Please bump this if you modify
* the contents of the generated state history in some way.
*/
private static final int VERSION = 2;
+ /** Event names indicating function entry */
+ private final @NonNull Set<String> funcEntryEvents;
+
+ /** Event names indicating function exit */
+ private final @NonNull Set<String> funcExitEvents;
+
+ private final @NonNull ILttngUstEventLayout fLayout;
+
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
*/
public LttngUstCallStackProvider(@NonNull ITmfTrace trace) {
super(trace);
+
+ if (trace instanceof LttngUstTrace) {
+ fLayout = ((LttngUstTrace) trace).getEventLayout();
+ } else {
+ /* For impostor trace types, assume they use the LTTng 2.0 layout */
+ fLayout = LttngUst20EventLayout.getInstance();
+ }
+
+ funcEntryEvents = ImmutableSet.of(
+ fLayout.eventCygProfileFuncEntry(),
+ fLayout.eventCygProfileFastFuncEntry());
+
+ funcExitEvents = ImmutableSet.of(
+ fLayout.eventCygProfileFuncExit(),
+ fLayout.eventCygProfileFastFuncExit());
}
// ------------------------------------------------------------------------
return false;
}
ITmfEventField content = ((CtfTmfEvent) event).getContent();
- if (content.getField(CONTEXT_VTID) == null ||
- content.getField(CONTEXT_PROCNAME) == null) {
+ if (content.getField(fLayout.contextVtid()) == null ||
+ content.getField(fLayout.contextProcname()) == null) {
return false;
}
return true;
@Override
public String functionEntry(ITmfEvent event) {
String eventName = event.getName();
- if (!FUNC_ENTRY_EVENTS.contains(eventName)) {
+ if (!funcEntryEvents.contains(eventName)) {
return null;
}
- Long address = (Long) event.getContent().getField(FIELD_ADDR).getValue();
+ Long address = (Long) event.getContent().getField(fLayout.fieldAddr()).getValue();
return Long.toHexString(address);
}
@Override
public String functionExit(ITmfEvent event) {
String eventName = event.getName();
- if (!FUNC_EXIT_EVENTS.contains(eventName)) {
+ if (!funcExitEvents.contains(eventName)) {
return null;
}
/*
* The 'addr' field may or may not be present in func_exit events,
* depending on if cyg-profile.so or cyg-profile-fast.so was used.
*/
- ITmfEventField field = event.getContent().getField(FIELD_ADDR);
+ ITmfEventField field = event.getContent().getField(fLayout.fieldAddr());
if (field == null) {
return CallStackStateProvider.UNDEFINED;
}
public String getThreadName(ITmfEvent event) {
/* Class type and content was already checked if we get called here */
ITmfEventField content = ((CtfTmfEvent) event).getContent();
- String procName = (String) content.getField(CONTEXT_PROCNAME).getValue();
- Long vtid = (Long) content.getField(CONTEXT_VTID).getValue();
+ String procName = (String) content.getField(fLayout.contextProcname()).getValue();
+ Long vtid = (Long) content.getField(fLayout.contextVtid()).getValue();
if (procName == null || vtid == null) {
throw new IllegalStateException();
}
- return new String(procName + '-' + vtid.toString());
+ return procName + '-' + vtid.toString();
}
@Override
protected Long getThreadId(ITmfEvent event) {
ITmfEventField content = ((CtfTmfEvent) event).getContent();
- return (Long) content.getField(CONTEXT_VTID).getValue();
+ return (Long) content.getField(fLayout.contextVtid()).getValue();
}
}
projects / deliverable / tracecompass.git / blobdiff