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zip: add instrumentation, see how much time decompression takes

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This was SVN commit r2011.
This commit is contained in:
janwas 2005-03-18 22:18:34 +00:00
parent c3bd4efa9b
commit a4aa9ab246
1 changed files with 16 additions and 0 deletions
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16
source/lib/res/zip.cpp
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@ -39,6 +39,8 @@
#include "res.h"
#include "byte_order.h"
#include "timer.h"
#include <map>
#include <assert.h>
@ -803,6 +805,13 @@ int inf_set_dest(uintptr_t _ctx, void* out, size_t out_size)
#endif
}
static double total_inf_time;
static void dump()
{
debug_out("TOTAL INFLATE TIME: %g\n", total_inf_time);
}
// unzip into output buffer. returns bytes written
// (may be 0, if not enough data is passed in), or < 0 on error.
@ -811,6 +820,10 @@ ssize_t inf_inflate(uintptr_t _ctx, void* in, size_t in_size, bool free_in_buf =
#ifdef NO_ZLIB
return -1;
#else
ONCE(atexit(dump));
double t0 = get_time();
InfCtx* ctx = (InfCtx*)_ctx;
z_stream* zs = &ctx->zs;
@ -844,6 +857,9 @@ ssize_t inf_inflate(uintptr_t _ctx, void* in, size_t in_size, bool free_in_buf =
zs->total_out += size;
}
double t1 = get_time();
total_inf_time += t1-t0;
// check+return how much actual data was read
//
// note: zlib may not always output data, e.g. if passed very little