jlfwong/speedscope
1
1
Fork 0
mirror of https://github.com/jlfwong/speedscope.git synced 2024-11-25 20:51:51 +03:00
Code Issues Projects Releases Wiki Activity

Fix for Chrome timelines containing multiple CPU profiles

Browse Source
This commit is contained in:
Jamie Wong 2018-01-30 12:26:44 -08:00
parent f9af0fddb2
commit f25f8fc5cc
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
import/chrome.ts
View File

@ -45,12 +45,17 @@ interface CPUProfile {
}
export function importFromChromeTimeline(events: TimelineEvent[]) {
const profileEvent = events[events.length - 1]
const chromeProfile = profileEvent.args.data.cpuProfile as CPUProfile
return importFromChromeCPUProfile(chromeProfile)
// It seems like sometimes Chrome timeline files contain multiple CpuProfiles?
// For now, choose the first one in the list.
for (let event of events) {
if (event.name == "CpuProfile") {
const chromeProfile = event.args.data.cpuProfile as CPUProfile
return importFromChromeCPUProfile(chromeProfile)
}
}
throw new Error("Could not find CPU profile in Timeline")
}
const callFrameToFrameInfo = new Map<CPUProfileCallFrame, FrameInfo>()
function frameInfoForCallFrame(callFrame: CPUProfileCallFrame) {
return getOrInsert(callFrameToFrameInfo, callFrame, (callFrame) => {