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Merge pull request #4559 from haiodo/enable-profiler-filenames

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Enable embedded profiler to display filenames.
This commit is contained in:
Andreas Rumpf 2016-08-02 17:13:33 +02:00 • committed by GitHub
commit b36849be3f
2 changed files with 23 additions and 12 deletions
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19
lib/system/profiler.nim
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@ -19,10 +19,14 @@ const
MaxTraceLen = 20 # tracking the last 20 calls is enough
type
StackTrace* = array[0..MaxTraceLen-1, cstring]
StackTrace* = object
lines*: array[0..MaxTraceLen-1, cstring]
files*: array[0..MaxTraceLen-1, cstring]
ProfilerHook* = proc (st: StackTrace) {.nimcall.}
{.deprecated: [TStackTrace: StackTrace, TProfilerHook: ProfilerHook].}
proc `[]`*(st: StackTrace, i: int): cstring = st.lines[i]
proc captureStackTrace(f: PFrame, st: var StackTrace) =
const
firstCalls = 5
@ -30,9 +34,10 @@ proc captureStackTrace(f: PFrame, st: var StackTrace) =
it = f
i = 0
total = 0
while it != nil and i <= high(st)-(firstCalls-1):
while it != nil and i <= high(st.lines)-(firstCalls-1):
# the (-1) is for the "..." entry
st[i] = it.procname
st.lines[i] = it.procname
st.files[i] = it.filename
inc(i)
inc(total)
it = it.prev
@ -43,10 +48,12 @@ proc captureStackTrace(f: PFrame, st: var StackTrace) =
for j in 1..total-i-(firstCalls-1):
if b != nil: b = b.prev
if total != i:
st[i] = "..."
st.lines[i] = "..."
st.files[i] = "..."
inc(i)
while b != nil and i <= high(st):
st[i] = b.procname
while b != nil and i <= high(st.lines):
st.lines[i] = b.procname
st.files[i] = b.filename
inc(i)
b = b.prev