Examples with UstDebugInfoBinaryAspect org.eclipse.tracecompass.lttng2.ust.core.analysis.debuginfo.UstDebugInfoBinaryAspect used on opensource projects

Example 1 with UstDebugInfoBinaryAspect

use of org.eclipse.tracecompass.lttng2.ust.core.analysis.debuginfo.UstDebugInfoBinaryAspect in project tracecompass by tracecompass.

the class UstDebugInfoAnalysisModuleTest method testBinaryCallsites.

/**
 * Test that the binary callsite aspect resolves correctly for some
 * user-defined tracepoints in the trace.
 *
 * These should be available even without the binaries with debug symbols
 * being present on the system.
 */
@Test
public void testBinaryCallsites() {
    LttngUstTrace trace = LttngUstTestTraceUtils.getTrace(REAL_TEST_TRACE);
    /*
         * Fake a "trace opened" signal, so that the relevant analyses are
         * started.
         */
    TmfTraceOpenedSignal signal = new TmfTraceOpenedSignal(this, trace, null);
    TmfSignalManager.dispatchSignal(signal);
    UstDebugInfoAnalysisModule module = TmfTraceUtils.getAnalysisModuleOfClass(trace, UstDebugInfoAnalysisModule.class, UstDebugInfoAnalysisModule.ID);
    assertNotNull(module);
    module.waitForCompletion();
    /* Send a request to get the 3 events we are interested in */
    List<@NonNull LttngUstEvent> events = new ArrayList<>();
    TmfEventRequest request = new TmfEventRequest(LttngUstEvent.class, 31, 1, ExecutionType.FOREGROUND) {

        @Override
        public void handleData(ITmfEvent event) {
            super.handleData(event);
            events.add((LttngUstEvent) event);
        }
    };
    trace.sendRequest(request);
    try {
        request.waitForCompletion();
    } catch (InterruptedException e) {
        fail(e.getMessage());
    }
    /* Tests that the aspects are resolved correctly */
    final UstDebugInfoBinaryAspect aspect = UstDebugInfoBinaryAspect.INSTANCE;
    String actual = checkNotNull(aspect.resolve(events.get(0))).toString();
    String expected = "/home/simark/src/babeltrace/tests/debug-info-data/libhello_so+0x14d4";
    assertEquals(expected, actual);
    LttngUstTestTraceUtils.dispose(REAL_TEST_TRACE);
}

Example 2 with UstDebugInfoBinaryAspect

use of org.eclipse.tracecompass.lttng2.ust.core.analysis.debuginfo.UstDebugInfoBinaryAspect in project tracecompass by tracecompass.

the class UstDebugInfoAnalysisModule method getMatchingFile.

/**
 * Get the binary file (executable or library) that corresponds to a given
 * instruction pointer, at a given time.
 *
 * @param ts
 *            The timestamp
 * @param vpid
 *            The VPID of the process we are querying for
 * @param ip
 *            The instruction pointer of the trace event. Normally comes
 *            from a 'ip' context.
 * @return A {@link UstDebugInfoLoadedBinaryFile} object, describing the
 *         binary file and its base address.
 * @noreference Meant to be used internally by
 *              {@link UstDebugInfoBinaryAspect} only.
 */
@VisibleForTesting
@Nullable
public UstDebugInfoLoadedBinaryFile getMatchingFile(long ts, long vpid, long ip) {
    try {
        final ITmfStateSystem ss = getStateSystem();
        if (ss == null) {
            /* State system might not yet be initialized */
            return null;
        }
        // $NON-NLS-1$
        List<Integer> possibleBaddrQuarks = ss.getQuarks(String.valueOf(vpid), "*");
        List<ITmfStateInterval> state = ss.queryFullState(ts);
        /* Get the most probable base address from all the known ones */
        OptionalLong potentialBaddr = possibleBaddrQuarks.stream().filter(quark -> Objects.equals(1, state.get(quark).getValue())).map(ss::getAttributeName).mapToLong(Long::parseLong).filter(baddr -> baddr <= ip).max();
        if (!potentialBaddr.isPresent()) {
            return null;
        }
        long baddr = potentialBaddr.getAsLong();
        final int baddrQuark = ss.getQuarkAbsolute(String.valueOf(vpid), String.valueOf(baddr));
        final int memszQuark = ss.getQuarkRelative(baddrQuark, UstDebugInfoStateProvider.MEMSZ_ATTRIB);
        final long memsz = state.get(memszQuark).getStateValue().unboxLong();
        /* Make sure the 'ip' fits the range of this object. */
        if (!(ip < baddr + memsz)) {
            /*
                 * Not the correct memory range after all. We do not have
                 * information about the library that was loaded here.
                 */
            return null;
        }
        final int pathQuark = ss.getQuarkRelative(baddrQuark, UstDebugInfoStateProvider.PATH_ATTRIB);
        String filePath = state.get(pathQuark).getStateValue().unboxStr();
        final int buildIdQuark = ss.getQuarkRelative(baddrQuark, UstDebugInfoStateProvider.BUILD_ID_ATTRIB);
        ITmfStateValue buildIdValue = state.get(buildIdQuark).getStateValue();
        String buildId = unboxStrOrNull(buildIdValue);
        final int debugLinkQuark = ss.getQuarkRelative(baddrQuark, UstDebugInfoStateProvider.DEBUG_LINK_ATTRIB);
        ITmfStateValue debugLinkValue = state.get(debugLinkQuark).getStateValue();
        String debugLink = unboxStrOrNull(debugLinkValue);
        final int isPicQuark = ss.getQuarkRelative(baddrQuark, UstDebugInfoStateProvider.IS_PIC_ATTRIB);
        boolean isPic = state.get(isPicQuark).getStateValue().unboxInt() != 0;
        // The baddrQuark interval lasts for the time this file is loaded
        ITmfStateInterval validityInterval = state.get(baddrQuark);
        return new UstDebugInfoLoadedBinaryFile(baddr, filePath, buildId, debugLink, isPic, validityInterval.getStartTime(), validityInterval.getEndTime());
    } catch (AttributeNotFoundException | TimeRangeException | StateSystemDisposedException e) {
        /* Either the data is not available yet, or incomplete. */
        return null;
    }
}