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apply additional command overrides based on report format #381

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merged 5 commits into from
May 30, 2018
Merged

apply additional command overrides based on report format #381

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71e482e
apply additional command overrides based on report format
nolanmar511 May 24, 2018
5aacbbb
address comments
nolanmar511 May 25, 2018
34449cc
Merge branch 'master' into command-overrides
nolanmar511 May 29, 2018
28beb40
update filtering
nolanmar511 May 29, 2018
210573d
Merge branch 'master' into command-overrides
nolanmar511 May 30, 2018
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20 changes: 14 additions & 6 deletions internal/driver/driver.go
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,13 @@ func generateRawReport(p *profile.Profile, cmd []string, vars variables, o *plug
// Identify units of numeric tags in profile.
numLabelUnits := identifyNumLabelUnits(p, o.UI)

vars = applyCommandOverrides(cmd, vars)
// Get report output format
c := pprofCommands[cmd[0]]
if c == nil {
panic("unexpected nil command")
}

vars = applyCommandOverrides(cmd, c.format, vars)

// Delay focus after configuring report to get percentages on all samples.
relative := vars["relative_percentages"].boolValue()
Expand All @@ -78,10 +84,6 @@ func generateRawReport(p *profile.Profile, cmd []string, vars variables, o *plug
if err != nil {
return nil, nil, err
}
c := pprofCommands[cmd[0]]
if c == nil {
panic("unexpected nil command")
}
ropt.OutputFormat = c.format
if len(cmd) == 2 {
s, err := regexp.Compile(cmd[1])
Expand Down Expand Up @@ -149,7 +151,7 @@ func generateReport(p *profile.Profile, cmd []string, vars variables, o *plugin.
return out.Close()
}

func applyCommandOverrides(cmd []string, v variables) variables {
func applyCommandOverrides(cmd []string, outputFormat int, v variables) variables {
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How about changing the first argument to be just "cmd string"? It doesn't seem to be necessary to pass the array.

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Done.

trim, tagfilter, filter := v["trim"].boolValue(), true, true

switch cmd[0] {
Expand All @@ -176,6 +178,12 @@ func applyCommandOverrides(cmd []string, v variables) variables {
v.set("nodecount", "80")
}
}

if outputFormat == report.Proto {
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Why did you keep case "proto", "raw": in the switch, isn't it redundant now?

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It's now redundant. Done.

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Side question: why does "peek" case resets the filter but not not the tagfilter?

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It does seem odd. My best guess is that tagfilter was added later, and this is an oversight, but I'll look into the commit history to see if there's evidence for that.

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So we should fix it?

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Tag filtering was added after the peek command, (in this PR), which suggests to me this is an oversight.

I've changed it in this PR. Let me know if you think it ought to be a separate PR.

trim, tagfilter, filter = false, false, false
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Perhaps for future unless there is an easy way to do it: it would be good to have a way to generate reports in the proto format keeping the filter. E.g. using the internal -flame command with a -tagfocus filter to upload a subset of the profile.

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I'm assuming that this could be done just by not setting filter and tagfilter to false. Not sure if we would want to also, for example, add a comment to the profile to indicate filtering was done.

Will experiment, then look into changing.

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This can be done later.

v.set("addresses", "t")
}

if !trim {
v.set("nodecount", "0")
v.set("nodefraction", "0")
Expand Down
8 changes: 7 additions & 1 deletion internal/driver/interactive_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -294,7 +294,13 @@ func TestInteractiveCommands(t *testing.T) {
t.Errorf("failed on %q: %v", tc.input, err)
continue
}
vars = applyCommandOverrides(cmd, vars)

// Get report output format
c := pprofCommands[cmd[0]]
if c == nil {
t.Errorf("unexpected nil command")
}
vars = applyCommandOverrides(cmd, c.format, vars)

for n, want := range tc.want {
if got := vars[n].stringValue(); got != want {
Expand Down