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net/http/pprof: allow "seconds" parameters to most profiles

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golang.org/cl/147598 added the support for delta computation for mutex
and block profiles. In fact, this delta computation makes sense for
other types of profiles.

For example, /debug/pprof/allocs?seconds=x will provide how much allocation
was made during the specified period. /debug/pprof/goroutine?seconds=x will
provide the changes in the list of goroutines. This also makes sense for
custom profiles.

Update #23401
Update google/pprof#526

Change-Id: I45e9073eb001ea5b3f3d16e5a57f635193610656
Reviewed-on: https://go-review.googlesource.com/c/go/+/229537
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
This commit is contained in:
Hana (Hyang-Ah) Kim 2020-04-22 16:24:30 -04:00 committed by Hyang-Ah Hana Kim
parent 3e342e8719
commit 0ee4b13830
2 changed files with 7 additions and 2 deletions
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8
src/net/http/pprof/pprof.go
View File

@ -334,8 +334,12 @@ func collectProfile(p *pprof.Profile) (*profile.Profile, error) {
}
var profileSupportsDelta = map[handler]bool{
"block": true,
"mutex": true,
"allocs": true,
"block": true,
"goroutine": true,
"heap": true,
"mutex": true,
"threadcreate": true,
}
var profileDescriptions = map[string]string{

1
src/net/http/pprof/pprof_test.go
View File

@ -49,6 +49,7 @@ func TestHandlers(t *testing.T) {
{"/debug/pprof/trace", Trace, http.StatusOK, "application/octet-stream", `attachment; filename="trace"`, nil},
{"/debug/pprof/mutex", Index, http.StatusOK, "application/octet-stream", `attachment; filename="mutex"`, nil},
{"/debug/pprof/block?seconds=1", Index, http.StatusOK, "application/octet-stream", `attachment; filename="block-delta"`, nil},
{"/debug/pprof/goroutine?seconds=1", Index, http.StatusOK, "application/octet-stream", `attachment; filename="goroutine-delta"`, nil},
{"/debug/pprof/", Index, http.StatusOK, "text/html; charset=utf-8", "", []byte("Types of profiles available:")},
}
for _, tc := range testCases {