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Remove tracing (--enable-trace).

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Remove all functionality related to tracing.  This functionality was
useful for understanding memory fragmentation during early algorithmic
design of jemalloc, but it had little utility for non-trivial
applications, due to the sheer volume of data written to disk.
This commit is contained in:
Jason Evans
2010-02-11 13:38:12 -08:00
parent d34f9e7e93
commit fe5faa2cc5
17 changed files with 13 additions and 1885 deletions
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35
jemalloc/doc/jemalloc.3.in
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@@ -464,21 +464,6 @@ Double/halve the size of the maximum size class that is a multiple of the
quantum (8 or 16 bytes, depending on architecture).
Above this size, cacheline spacing is used for size classes.
The default value is 128 bytes.
@roff_trace@.It T
@roff_trace@Write a verbose trace log to a set of files named according to the
@roff_trace@pattern
@roff_trace@.Pa jemtr.<pid>.<arena>
@roff_trace@for all allocation operations.
@roff_trace@The result can be converted from
@roff_trace@.Nm jemtr
@roff_trace@to
@roff_trace@.Nm mtr
@roff_trace@format via
@roff_trace@.Xr jemtr2mtr 1 ,
@roff_trace@the output of which can be used by
@roff_trace@.Xr mtrplay 1
@roff_trace@and
@roff_trace@.Xr mtrgraph 1 .
@roff_prof@.It U
@roff_prof@Trigger a memory profile dump every time the total virtual memory
@roff_prof@exceeds the previous maximum.
@@ -737,11 +722,6 @@ This is useful for detecting whether another thread caused a refresh.
--disable-tls was not specified during build configuration.
.Ed
.\"-----------------------------------------------------------------------------
.It Sy "config.trace (bool) r-"
.Bd -ragged -offset indent -compact
--enable-trace was specified during build configuration.
.Ed
.\"-----------------------------------------------------------------------------
.It Sy "config.xmalloc (bool) r-"
.Bd -ragged -offset indent -compact
--enable-xmalloc was specified during build configuration.
@@ -831,13 +811,6 @@ option.
@roff_prof@option.
@roff_prof@.Ed
.\"-----------------------------------------------------------------------------
@roff_trace@.It Sy "opt.trace (bool) r-"
@roff_trace@.Bd -ragged -offset indent -compact
@roff_trace@See the
@roff_trace@.Dq T
@roff_trace@option.
@roff_trace@.Ed
.\"-----------------------------------------------------------------------------
.It Sy "opt.lg_qspace_max (size_t) r-"
.Bd -ragged -offset indent -compact
See the
@@ -1301,11 +1274,6 @@ options and symbols for debugger support.
@roff_fill@.Dq J
@roff_fill@option may help provoke the problem.
@roff_fill@.Pp
@roff_trace@In truly difficult cases, the
@roff_trace@.Dq T
@roff_trace@option can provide a detailed trace of all calls made to these
@roff_trace@functions.
@roff_trace@.Pp
Unfortunately this implementation does not provide much detail about
the problems it detects; the performance impact for storing such information
would be prohibitive.
@@ -1460,9 +1428,6 @@ To specify in the source a chunk size that is twice the default:
@jemalloc_prefix@malloc_options = "K";
.Ed
.Sh SEE ALSO
.Xr mtrgraph 1 ,
.Xr mtrplay 1 ,
.Xr jemtr2mtr 1 ,
.Xr madvise 2 ,
.Xr mmap 2 ,
@roff_dss@.Xr sbrk 2 ,