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Remove the opt.lg_prof_tcmax option.

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Remove the opt.lg_prof_tcmax option and hard-code a cache size of 1024.
This setting is something that users just shouldn't have to worry about.
If lock contention actually ends up being a problem, the simple solution
available to the user is to reduce sampling frequency.
This commit is contained in:
Jason Evans
2012-02-13 18:04:26 -08:00
parent e7a1058aaa
commit 0b526ff94d
6 changed files with 8 additions and 50 deletions
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12
src/stats.c
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@@ -515,7 +515,6 @@ stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
OPT_WRITE_BOOL(prof_active)
OPT_WRITE_SSIZE_T(lg_prof_sample)
OPT_WRITE_BOOL(prof_accum)
OPT_WRITE_SSIZE_T(lg_prof_tcmax)
OPT_WRITE_SSIZE_T(lg_prof_interval)
OPT_WRITE_BOOL(prof_gdump)
OPT_WRITE_BOOL(prof_leak)
@@ -622,17 +621,6 @@ stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
write_cb(cbopaque, u2s((1U << sv), 10, s));
write_cb(cbopaque, "\n");
CTL_GET("opt.lg_prof_tcmax", &ssv, ssize_t);
write_cb(cbopaque,
"Maximum per thread backtrace cache: ");
if (ssv >= 0) {
write_cb(cbopaque, u2s((1U << ssv), 10, s));
write_cb(cbopaque, " (2^");
write_cb(cbopaque, u2s(ssv, 10, s));
write_cb(cbopaque, ")\n");
} else
write_cb(cbopaque, "N/A\n");
CTL_GET("opt.lg_prof_sample", &sv, size_t);
write_cb(cbopaque, "Average profile sample interval: ");
write_cb(cbopaque, u2s((((uint64_t)1U) << sv), 10, s));