text: #define	JEMALLOC_STATS_C_
  #include "jemalloc/internal/jemalloc_internal.h"
  
  #define	CTL_GET(n, v, t) do {						\
  	size_t sz = sizeof(t);						\
  	xmallctl(n, (void *)v, &sz, NULL, 0);				\
  } while (0)
  
  #define	CTL_M2_GET(n, i, v, t) do {					\
  	size_t mib[6];							\
  	size_t miblen = sizeof(mib) / sizeof(size_t);			\
  	size_t sz = sizeof(t);						\
  	xmallctlnametomib(n, mib, &miblen);				\
  	mib[2] = (i);							\
  	xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0);		\
  } while (0)
  
  #define	CTL_M2_M4_GET(n, i, j, v, t) do {				\
  	size_t mib[6];							\
  	size_t miblen = sizeof(mib) / sizeof(size_t);			\
  	size_t sz = sizeof(t);						\
  	xmallctlnametomib(n, mib, &miblen);				\
  	mib[2] = (i);							\
  	mib[4] = (j);							\
  	xmallctlbymib(mib, miblen, (void *)v, &sz, NULL, 0);		\
  } while (0)
  
  /******************************************************************************/
  /* Data. */
  
  bool	opt_stats_print = false;
  
  size_t	stats_cactive = 0;
  
  /******************************************************************************/
  
  static void
  stats_arena_bins_print(void (*write_cb)(void *, const char *), void *cbopaque,
      bool json, bool large, bool huge, unsigned i)
  {
  	size_t page;
  	bool in_gap, in_gap_prev;
  	unsigned nbins, j;
  
  	CTL_GET("arenas.page", &page, size_t);
  
  	CTL_GET("arenas.nbins", &nbins, unsigned);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"bins\": [\n");
  	} else {
  		if (config_tcache) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "bins:           size ind    allocated      nmalloc"
  			    "      ndalloc    nrequests      curregs"
  			    "      curruns regs pgs  util       nfills"
  			    "     nflushes      newruns       reruns\n");
  		} else {
  			malloc_cprintf(write_cb, cbopaque,
  			    "bins:           size ind    allocated      nmalloc"
  			    "      ndalloc    nrequests      curregs"
  			    "      curruns regs pgs  util      newruns"
  			    "       reruns\n");
  		}
  	}
  	for (j = 0, in_gap = false; j < nbins; j++) {
  		uint64_t nruns;
  		size_t reg_size, run_size, curregs;
  		size_t curruns;
  		uint32_t nregs;
  		uint64_t nmalloc, ndalloc, nrequests, nfills, nflushes;
  		uint64_t nreruns;
  
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.nruns", i, j, &nruns,
  		    uint64_t);
  		in_gap_prev = in_gap;
  		in_gap = (nruns == 0);
  
  		if (!json && in_gap_prev && !in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "                     ---\n");
  		}
  
  		CTL_M2_GET("arenas.bin.0.size", j, &reg_size, size_t);
  		CTL_M2_GET("arenas.bin.0.nregs", j, &nregs, uint32_t);
  		CTL_M2_GET("arenas.bin.0.run_size", j, &run_size, size_t);
  
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.nmalloc", i, j, &nmalloc,
  		    uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.ndalloc", i, j, &ndalloc,
  		    uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.curregs", i, j, &curregs,
  		    size_t);
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.nrequests", i, j,
  		    &nrequests, uint64_t);
  		if (config_tcache) {
  			CTL_M2_M4_GET("stats.arenas.0.bins.0.nfills", i, j,
  			    &nfills, uint64_t);
  			CTL_M2_M4_GET("stats.arenas.0.bins.0.nflushes", i, j,
  			    &nflushes, uint64_t);
  		}
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.nreruns", i, j, &nreruns,
  		    uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.bins.0.curruns", i, j, &curruns,
  		    size_t);
  
  		if (json) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t{\n"
  			    "\t\t\t\t\t\t\"nmalloc\": %"FMTu64",\n"
  			    "\t\t\t\t\t\t\"ndalloc\": %"FMTu64",\n"
  			    "\t\t\t\t\t\t\"curregs\": %zu,\n"
  			    "\t\t\t\t\t\t\"nrequests\": %"FMTu64",\n",
  			    nmalloc,
  			    ndalloc,
  			    curregs,
  			    nrequests);
  			if (config_tcache) {
  				malloc_cprintf(write_cb, cbopaque,
  				    "\t\t\t\t\t\t\"nfills\": %"FMTu64",\n"
  				    "\t\t\t\t\t\t\"nflushes\": %"FMTu64",\n",
  				    nfills,
  				    nflushes);
  			}
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t\t\"nreruns\": %"FMTu64",\n"
  			    "\t\t\t\t\t\t\"curruns\": %zu\n"
  			    "\t\t\t\t\t}%s\n",
  			    nreruns,
  			    curruns,
  			    (j + 1 < nbins) ? "," : "");
  		} else if (!in_gap) {
  			size_t availregs, milli;
  			char util[6]; /* "x.yyy". */
  
  			availregs = nregs * curruns;
  			milli = (availregs != 0) ? (1000 * curregs) / availregs
  			    : 1000;
  
  			if (milli > 1000) {
  				/*
  				 * Race detected: the counters were read in
  				 * separate mallctl calls and concurrent
  				 * operations happened in between. In this case
  				 * no meaningful utilization can be computed.
  				 */
  				malloc_snprintf(util, sizeof(util), " race");
  			} else if (milli < 10) {
  				malloc_snprintf(util, sizeof(util),
  				    "0.00%zu", milli);
  			} else if (milli < 100) {
  				malloc_snprintf(util, sizeof(util), "0.0%zu",
  				    milli);
  			} else if (milli < 1000) {
  				malloc_snprintf(util, sizeof(util), "0.%zu",
  				    milli);
  			} else {
  				assert(milli == 1000);
  				malloc_snprintf(util, sizeof(util), "1");
  			}
  
  			if (config_tcache) {
  				malloc_cprintf(write_cb, cbopaque,
  				    "%20zu %3u %12zu %12"FMTu64
  				    " %12"FMTu64" %12"FMTu64" %12zu"
  				    " %12zu %4u %3zu %-5s %12"FMTu64
  				    " %12"FMTu64" %12"FMTu64" %12"FMTu64"\n",
  				    reg_size, j, curregs * reg_size, nmalloc,
  				    ndalloc, nrequests, curregs, curruns, nregs,
  				    run_size / page, util, nfills, nflushes,
  				    nruns, nreruns);
  			} else {
  				malloc_cprintf(write_cb, cbopaque,
  				    "%20zu %3u %12zu %12"FMTu64
  				    " %12"FMTu64" %12"FMTu64" %12zu"
  				    " %12zu %4u %3zu %-5s %12"FMTu64
  				    " %12"FMTu64"\n",
  				    reg_size, j, curregs * reg_size, nmalloc,
  				    ndalloc, nrequests, curregs, curruns, nregs,
  				    run_size / page, util, nruns, nreruns);
  			}
  		}
  	}
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t]%s\n", (large || huge) ? "," : "");
  	} else {
  		if (in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "                     ---\n");
  		}
  	}
  }
  
  static void
  stats_arena_lruns_print(void (*write_cb)(void *, const char *), void *cbopaque,
      bool json, bool huge, unsigned i)
  {
  	unsigned nbins, nlruns, j;
  	bool in_gap, in_gap_prev;
  
  	CTL_GET("arenas.nbins", &nbins, unsigned);
  	CTL_GET("arenas.nlruns", &nlruns, unsigned);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"lruns\": [\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "large:          size ind    allocated      nmalloc"
  		    "      ndalloc    nrequests      curruns\n");
  	}
  	for (j = 0, in_gap = false; j < nlruns; j++) {
  		uint64_t nmalloc, ndalloc, nrequests;
  		size_t run_size, curruns;
  
  		CTL_M2_M4_GET("stats.arenas.0.lruns.0.nmalloc", i, j, &nmalloc,
  		    uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.lruns.0.ndalloc", i, j, &ndalloc,
  		    uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.lruns.0.nrequests", i, j,
  		    &nrequests, uint64_t);
  		in_gap_prev = in_gap;
  		in_gap = (nrequests == 0);
  
  		if (!json && in_gap_prev && !in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "                     ---\n");
  		}
  
  		CTL_M2_GET("arenas.lrun.0.size", j, &run_size, size_t);
  		CTL_M2_M4_GET("stats.arenas.0.lruns.0.curruns", i, j, &curruns,
  		    size_t);
  		if (json) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t{\n"
  			    "\t\t\t\t\t\t\"curruns\": %zu\n"
  			    "\t\t\t\t\t}%s\n",
  			    curruns,
  			    (j + 1 < nlruns) ? "," : "");
  		} else if (!in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "%20zu %3u %12zu %12"FMTu64" %12"FMTu64
  			    " %12"FMTu64" %12zu\n",
  			    run_size, nbins + j, curruns * run_size, nmalloc,
  			    ndalloc, nrequests, curruns);
  		}
  	}
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t]%s\n", huge ? "," : "");
  	} else {
  		if (in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "                     ---\n");
  		}
  	}
  }
  
  static void
  stats_arena_hchunks_print(void (*write_cb)(void *, const char *),
      void *cbopaque, bool json, unsigned i)
  {
  	unsigned nbins, nlruns, nhchunks, j;
  	bool in_gap, in_gap_prev;
  
  	CTL_GET("arenas.nbins", &nbins, unsigned);
  	CTL_GET("arenas.nlruns", &nlruns, unsigned);
  	CTL_GET("arenas.nhchunks", &nhchunks, unsigned);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"hchunks\": [\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "huge:           size ind    allocated      nmalloc"
  		    "      ndalloc    nrequests   curhchunks\n");
  	}
  	for (j = 0, in_gap = false; j < nhchunks; j++) {
  		uint64_t nmalloc, ndalloc, nrequests;
  		size_t hchunk_size, curhchunks;
  
  		CTL_M2_M4_GET("stats.arenas.0.hchunks.0.nmalloc", i, j,
  		    &nmalloc, uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.hchunks.0.ndalloc", i, j,
  		    &ndalloc, uint64_t);
  		CTL_M2_M4_GET("stats.arenas.0.hchunks.0.nrequests", i, j,
  		    &nrequests, uint64_t);
  		in_gap_prev = in_gap;
  		in_gap = (nrequests == 0);
  
  		if (!json && in_gap_prev && !in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "                     ---\n");
  		}
  
  		CTL_M2_GET("arenas.hchunk.0.size", j, &hchunk_size, size_t);
  		CTL_M2_M4_GET("stats.arenas.0.hchunks.0.curhchunks", i, j,
  		    &curhchunks, size_t);
  		if (json) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t{\n"
  			    "\t\t\t\t\t\t\"curhchunks\": %zu\n"
  			    "\t\t\t\t\t}%s\n",
  			    curhchunks,
  			    (j + 1 < nhchunks) ? "," : "");
  		} else if (!in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "%20zu %3u %12zu %12"FMTu64" %12"FMTu64
  			    " %12"FMTu64" %12zu\n",
  			    hchunk_size, nbins + nlruns + j,
  			    curhchunks * hchunk_size, nmalloc, ndalloc,
  			    nrequests, curhchunks);
  		}
  	}
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t]\n");
  	} else {
  		if (in_gap) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "                     ---\n");
  		}
  	}
  }
  
  static void
  stats_arena_print(void (*write_cb)(void *, const char *), void *cbopaque,
      bool json, unsigned i, bool bins, bool large, bool huge)
  {
  	unsigned nthreads;
  	const char *dss;
  	ssize_t lg_dirty_mult, decay_time;
  	size_t page, pactive, pdirty, mapped, retained;
  	size_t metadata_mapped, metadata_allocated;
  	uint64_t npurge, nmadvise, purged;
  	size_t small_allocated;
  	uint64_t small_nmalloc, small_ndalloc, small_nrequests;
  	size_t large_allocated;
  	uint64_t large_nmalloc, large_ndalloc, large_nrequests;
  	size_t huge_allocated;
  	uint64_t huge_nmalloc, huge_ndalloc, huge_nrequests;
  
  	CTL_GET("arenas.page", &page, size_t);
  
  	CTL_M2_GET("stats.arenas.0.nthreads", i, &nthreads, unsigned);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"nthreads\": %u,\n", nthreads);
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "assigned threads: %u\n", nthreads);
  	}
  
  	CTL_M2_GET("stats.arenas.0.dss", i, &dss, const char *);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"dss\": \"%s\",\n", dss);
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "dss allocation precedence: %s\n", dss);
  	}
  
  	CTL_M2_GET("stats.arenas.0.lg_dirty_mult", i, &lg_dirty_mult, ssize_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"lg_dirty_mult\": %zd,\n", lg_dirty_mult);
  	} else {
  		if (opt_purge == purge_mode_ratio) {
  			if (lg_dirty_mult >= 0) {
  				malloc_cprintf(write_cb, cbopaque,
  				    "min active:dirty page ratio: %u:1\n",
  				    (1U << lg_dirty_mult));
  			} else {
  				malloc_cprintf(write_cb, cbopaque,
  				    "min active:dirty page ratio: N/A\n");
  			}
  		}
  	}
  
  	CTL_M2_GET("stats.arenas.0.decay_time", i, &decay_time, ssize_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"decay_time\": %zd,\n", decay_time);
  	} else {
  		if (opt_purge == purge_mode_decay) {
  			if (decay_time >= 0) {
  				malloc_cprintf(write_cb, cbopaque,
  				    "decay time: %zd\n", decay_time);
  			} else {
  				malloc_cprintf(write_cb, cbopaque,
  				    "decay time: N/A\n");
  			}
  		}
  	}
  
  	CTL_M2_GET("stats.arenas.0.pactive", i, &pactive, size_t);
  	CTL_M2_GET("stats.arenas.0.pdirty", i, &pdirty, size_t);
  	CTL_M2_GET("stats.arenas.0.npurge", i, &npurge, uint64_t);
  	CTL_M2_GET("stats.arenas.0.nmadvise", i, &nmadvise, uint64_t);
  	CTL_M2_GET("stats.arenas.0.purged", i, &purged, uint64_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"pactive\": %zu,\n", pactive);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"pdirty\": %zu,\n", pdirty);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"npurge\": %"FMTu64",\n", npurge);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"nmadvise\": %"FMTu64",\n", nmadvise);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"purged\": %"FMTu64",\n", purged);
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "purging: dirty: %zu, sweeps: %"FMTu64", madvises: %"FMTu64
  		    ", purged: %"FMTu64"\n", pdirty, npurge, nmadvise, purged);
  	}
  
  	CTL_M2_GET("stats.arenas.0.small.allocated", i, &small_allocated,
  	    size_t);
  	CTL_M2_GET("stats.arenas.0.small.nmalloc", i, &small_nmalloc, uint64_t);
  	CTL_M2_GET("stats.arenas.0.small.ndalloc", i, &small_ndalloc, uint64_t);
  	CTL_M2_GET("stats.arenas.0.small.nrequests", i, &small_nrequests,
  	    uint64_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"small\": {\n");
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"allocated\": %zu,\n", small_allocated);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"nmalloc\": %"FMTu64",\n", small_nmalloc);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"ndalloc\": %"FMTu64",\n", small_ndalloc);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"nrequests\": %"FMTu64"\n", small_nrequests);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t},\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "                            allocated      nmalloc"
  		    "      ndalloc    nrequests\n");
  		malloc_cprintf(write_cb, cbopaque,
  		    "small:                   %12zu %12"FMTu64" %12"FMTu64
  		    " %12"FMTu64"\n",
  		    small_allocated, small_nmalloc, small_ndalloc,
  		    small_nrequests);
  	}
  
  	CTL_M2_GET("stats.arenas.0.large.allocated", i, &large_allocated,
  	    size_t);
  	CTL_M2_GET("stats.arenas.0.large.nmalloc", i, &large_nmalloc, uint64_t);
  	CTL_M2_GET("stats.arenas.0.large.ndalloc", i, &large_ndalloc, uint64_t);
  	CTL_M2_GET("stats.arenas.0.large.nrequests", i, &large_nrequests,
  	    uint64_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"large\": {\n");
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"allocated\": %zu,\n", large_allocated);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"nmalloc\": %"FMTu64",\n", large_nmalloc);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"ndalloc\": %"FMTu64",\n", large_ndalloc);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"nrequests\": %"FMTu64"\n", large_nrequests);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t},\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "large:                   %12zu %12"FMTu64" %12"FMTu64
  		    " %12"FMTu64"\n",
  		    large_allocated, large_nmalloc, large_ndalloc,
  		    large_nrequests);
  	}
  
  	CTL_M2_GET("stats.arenas.0.huge.allocated", i, &huge_allocated, size_t);
  	CTL_M2_GET("stats.arenas.0.huge.nmalloc", i, &huge_nmalloc, uint64_t);
  	CTL_M2_GET("stats.arenas.0.huge.ndalloc", i, &huge_ndalloc, uint64_t);
  	CTL_M2_GET("stats.arenas.0.huge.nrequests", i, &huge_nrequests,
  	    uint64_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"huge\": {\n");
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"allocated\": %zu,\n", huge_allocated);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"nmalloc\": %"FMTu64",\n", huge_nmalloc);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"ndalloc\": %"FMTu64",\n", huge_ndalloc);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"nrequests\": %"FMTu64"\n", huge_nrequests);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t},\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "huge:                    %12zu %12"FMTu64" %12"FMTu64
  		    " %12"FMTu64"\n",
  		    huge_allocated, huge_nmalloc, huge_ndalloc, huge_nrequests);
  		malloc_cprintf(write_cb, cbopaque,
  		    "total:                   %12zu %12"FMTu64" %12"FMTu64
  		    " %12"FMTu64"\n",
  		    small_allocated + large_allocated + huge_allocated,
  		    small_nmalloc + large_nmalloc + huge_nmalloc,
  		    small_ndalloc + large_ndalloc + huge_ndalloc,
  		    small_nrequests + large_nrequests + huge_nrequests);
  	}
  	if (!json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "active:                  %12zu\n", pactive * page);
  	}
  
  	CTL_M2_GET("stats.arenas.0.mapped", i, &mapped, size_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"mapped\": %zu,\n", mapped);
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "mapped:                  %12zu\n", mapped);
  	}
  
  	CTL_M2_GET("stats.arenas.0.retained", i, &retained, size_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"retained\": %zu,\n", retained);
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "retained:                %12zu\n", retained);
  	}
  
  	CTL_M2_GET("stats.arenas.0.metadata.mapped", i, &metadata_mapped,
  	    size_t);
  	CTL_M2_GET("stats.arenas.0.metadata.allocated", i, &metadata_allocated,
  	    size_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\"metadata\": {\n");
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"mapped\": %zu,\n", metadata_mapped);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t\t\"allocated\": %zu\n", metadata_allocated);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\t}%s\n", (bins || large || huge) ? "," : "");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "metadata: mapped: %zu, allocated: %zu\n",
  		    metadata_mapped, metadata_allocated);
  	}
  
  	if (bins) {
  		stats_arena_bins_print(write_cb, cbopaque, json, large, huge,
  		    i);
  	}
  	if (large)
  		stats_arena_lruns_print(write_cb, cbopaque, json, huge, i);
  	if (huge)
  		stats_arena_hchunks_print(write_cb, cbopaque, json, i);
  }
  
  static void
  stats_general_print(void (*write_cb)(void *, const char *), void *cbopaque,
      bool json, bool more)
  {
  	const char *cpv;
  	bool bv;
  	unsigned uv;
  	uint32_t u32v;
  	uint64_t u64v;
  	ssize_t ssv;
  	size_t sv, bsz, usz, ssz, sssz, cpsz;
  
  	bsz = sizeof(bool);
  	usz = sizeof(unsigned);
  	ssz = sizeof(size_t);
  	sssz = sizeof(ssize_t);
  	cpsz = sizeof(const char *);
  
  	CTL_GET("version", &cpv, const char *);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		"\t\t\"version\": \"%s\",\n", cpv);
  	} else
  		malloc_cprintf(write_cb, cbopaque, "Version: %s\n", cpv);
  
  	/* config. */
  #define	CONFIG_WRITE_BOOL_JSON(n, c)					\
  	if (json) {							\
  		CTL_GET("config."#n, &bv, bool);			\
  		malloc_cprintf(write_cb, cbopaque,			\
  		    "\t\t\t\""#n"\": %s%s\n", bv ? "true" : "false",	\
  		    (c));						\
  	}
  
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\"config\": {\n");
  	}
  
  	CONFIG_WRITE_BOOL_JSON(cache_oblivious, ",")
  
  	CTL_GET("config.debug", &bv, bool);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"debug\": %s,\n", bv ? "true" : "false");
  	} else {
  		malloc_cprintf(write_cb, cbopaque, "Assertions %s\n",
  		    bv ? "enabled" : "disabled");
  	}
  
  	CONFIG_WRITE_BOOL_JSON(fill, ",")
  	CONFIG_WRITE_BOOL_JSON(lazy_lock, ",")
  
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"malloc_conf\": \"%s\",\n",
  		    config_malloc_conf);
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "config.malloc_conf: \"%s\"\n", config_malloc_conf);
  	}
  
  	CONFIG_WRITE_BOOL_JSON(munmap, ",")
  	CONFIG_WRITE_BOOL_JSON(prof, ",")
  	CONFIG_WRITE_BOOL_JSON(prof_libgcc, ",")
  	CONFIG_WRITE_BOOL_JSON(prof_libunwind, ",")
  	CONFIG_WRITE_BOOL_JSON(stats, ",")
  	CONFIG_WRITE_BOOL_JSON(tcache, ",")
  	CONFIG_WRITE_BOOL_JSON(tls, ",")
  	CONFIG_WRITE_BOOL_JSON(utrace, ",")
  	CONFIG_WRITE_BOOL_JSON(valgrind, ",")
  	CONFIG_WRITE_BOOL_JSON(xmalloc, "")
  
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t},\n");
  	}
  #undef CONFIG_WRITE_BOOL_JSON
  
  	/* opt. */
  #define	OPT_WRITE_BOOL(n, c)						\
  	if (je_mallctl("opt."#n, (void *)&bv, &bsz, NULL, 0) == 0) {	\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": %s%s\n", bv ? "true" :	\
  			    "false", (c));				\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "  opt."#n": %s\n", bv ? "true" : "false");	\
  		}							\
  	}
  #define	OPT_WRITE_BOOL_MUTABLE(n, m, c) {				\
  	bool bv2;							\
  	if (je_mallctl("opt."#n, (void *)&bv, &bsz, NULL, 0) == 0 &&	\
  	    je_mallctl(#m, &bv2, (void *)&bsz, NULL, 0) == 0) {		\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": %s%s\n", bv ? "true" :	\
  			    "false", (c));				\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "  opt."#n": %s ("#m": %s)\n", bv ? "true"	\
  			    : "false", bv2 ? "true" : "false");		\
  		}							\
  	}								\
  }
  #define	OPT_WRITE_UNSIGNED(n, c)					\
  	if (je_mallctl("opt."#n, (void *)&uv, &usz, NULL, 0) == 0) {	\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": %u%s\n", uv, (c));		\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			"  opt."#n": %u\n", uv);			\
  		}							\
  	}
  #define	OPT_WRITE_SIZE_T(n, c)						\
  	if (je_mallctl("opt."#n, (void *)&sv, &ssz, NULL, 0) == 0) {	\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": %zu%s\n", sv, (c));	\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			"  opt."#n": %zu\n", sv);			\
  		}							\
  	}
  #define	OPT_WRITE_SSIZE_T(n, c)						\
  	if (je_mallctl("opt."#n, (void *)&ssv, &sssz, NULL, 0) == 0) {	\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": %zd%s\n", ssv, (c));	\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "  opt."#n": %zd\n", ssv);			\
  		}							\
  	}
  #define	OPT_WRITE_SSIZE_T_MUTABLE(n, m, c) {				\
  	ssize_t ssv2;							\
  	if (je_mallctl("opt."#n, (void *)&ssv, &sssz, NULL, 0) == 0 &&	\
  	    je_mallctl(#m, (void *)&ssv2, &sssz, NULL, 0) == 0) {	\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": %zd%s\n", ssv, (c));	\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "  opt."#n": %zd ("#m": %zd)\n",		\
  			    ssv, ssv2);					\
  		}							\
  	}								\
  }
  #define	OPT_WRITE_CHAR_P(n, c)						\
  	if (je_mallctl("opt."#n, (void *)&cpv, &cpsz, NULL, 0) == 0) {	\
  		if (json) {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "\t\t\t\""#n"\": \"%s\"%s\n", cpv, (c));	\
  		} else {						\
  			malloc_cprintf(write_cb, cbopaque,		\
  			    "  opt."#n": \"%s\"\n", cpv);		\
  		}							\
  	}
  
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\"opt\": {\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "Run-time option settings:\n");
  	}
  	OPT_WRITE_BOOL(abort, ",")
  	OPT_WRITE_SIZE_T(lg_chunk, ",")
  	OPT_WRITE_CHAR_P(dss, ",")
  	OPT_WRITE_UNSIGNED(narenas, ",")
  	OPT_WRITE_CHAR_P(purge, ",")
  	if (json || opt_purge == purge_mode_ratio) {
  		OPT_WRITE_SSIZE_T_MUTABLE(lg_dirty_mult,
  		    arenas.lg_dirty_mult, ",")
  	}
  	if (json || opt_purge == purge_mode_decay) {
  		OPT_WRITE_SSIZE_T_MUTABLE(decay_time, arenas.decay_time, ",")
  	}
  	OPT_WRITE_CHAR_P(junk, ",")
  	OPT_WRITE_SIZE_T(quarantine, ",")
  	OPT_WRITE_BOOL(redzone, ",")
  	OPT_WRITE_BOOL(zero, ",")
  	OPT_WRITE_BOOL(utrace, ",")
  	OPT_WRITE_BOOL(xmalloc, ",")
  	OPT_WRITE_BOOL(tcache, ",")
  	OPT_WRITE_SSIZE_T(lg_tcache_max, ",")
  	OPT_WRITE_BOOL(thp, ",")
  	OPT_WRITE_BOOL(prof, ",")
  	OPT_WRITE_CHAR_P(prof_prefix, ",")
  	OPT_WRITE_BOOL_MUTABLE(prof_active, prof.active, ",")
  	OPT_WRITE_BOOL_MUTABLE(prof_thread_active_init, prof.thread_active_init,
  	    ",")
  	OPT_WRITE_SSIZE_T_MUTABLE(lg_prof_sample, prof.lg_sample, ",")
  	OPT_WRITE_BOOL(prof_accum, ",")
  	OPT_WRITE_SSIZE_T(lg_prof_interval, ",")
  	OPT_WRITE_BOOL(prof_gdump, ",")
  	OPT_WRITE_BOOL(prof_final, ",")
  	OPT_WRITE_BOOL(prof_leak, ",")
  	/*
  	 * stats_print is always emitted, so as long as stats_print comes last
  	 * it's safe to unconditionally omit the comma here (rather than having
  	 * to conditionally omit it elsewhere depending on configuration).
  	 */
  	OPT_WRITE_BOOL(stats_print, "")
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t},\n");
  	}
  
  #undef OPT_WRITE_BOOL
  #undef OPT_WRITE_BOOL_MUTABLE
  #undef OPT_WRITE_SIZE_T
  #undef OPT_WRITE_SSIZE_T
  #undef OPT_WRITE_CHAR_P
  
  	/* arenas. */
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\"arenas\": {\n");
  	}
  
  	CTL_GET("arenas.narenas", &uv, unsigned);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"narenas\": %u,\n", uv);
  	} else
  		malloc_cprintf(write_cb, cbopaque, "Arenas: %u\n", uv);
  
  	CTL_GET("arenas.lg_dirty_mult", &ssv, ssize_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"lg_dirty_mult\": %zd,\n", ssv);
  	} else if (opt_purge == purge_mode_ratio) {
  		if (ssv >= 0) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "Min active:dirty page ratio per arena: "
  			    "%u:1\n", (1U << ssv));
  		} else {
  			malloc_cprintf(write_cb, cbopaque,
  			    "Min active:dirty page ratio per arena: "
  			    "N/A\n");
  		}
  	}
  	CTL_GET("arenas.decay_time", &ssv, ssize_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"decay_time\": %zd,\n", ssv);
  	} else if (opt_purge == purge_mode_decay) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "Unused dirty page decay time: %zd%s\n",
  		    ssv, (ssv < 0) ? " (no decay)" : "");
  	}
  
  	CTL_GET("arenas.quantum", &sv, size_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"quantum\": %zu,\n", sv);
  	} else
  		malloc_cprintf(write_cb, cbopaque, "Quantum size: %zu\n", sv);
  
  	CTL_GET("arenas.page", &sv, size_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"page\": %zu,\n", sv);
  	} else
  		malloc_cprintf(write_cb, cbopaque, "Page size: %zu\n", sv);
  
  	if (je_mallctl("arenas.tcache_max", (void *)&sv, &ssz, NULL, 0) == 0) {
  		if (json) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\"tcache_max\": %zu,\n", sv);
  		} else {
  			malloc_cprintf(write_cb, cbopaque,
  			    "Maximum thread-cached size class: %zu\n", sv);
  		}
  	}
  
  	if (json) {
  		unsigned nbins, nlruns, nhchunks, i;
  
  		CTL_GET("arenas.nbins", &nbins, unsigned);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"nbins\": %u,\n", nbins);
  
  		if (config_tcache) {
  			CTL_GET("arenas.nhbins", &uv, unsigned);
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\"nhbins\": %u,\n", uv);
  		}
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"bin\": [\n");
  		for (i = 0; i < nbins; i++) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t{\n");
  
  			CTL_M2_GET("arenas.bin.0.size", i, &sv, size_t);
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t\"size\": %zu,\n", sv);
  
  			CTL_M2_GET("arenas.bin.0.nregs", i, &u32v, uint32_t);
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t\"nregs\": %"FMTu32",\n", u32v);
  
  			CTL_M2_GET("arenas.bin.0.run_size", i, &sv, size_t);
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t\"run_size\": %zu\n", sv);
  
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t}%s\n", (i + 1 < nbins) ? "," : "");
  		}
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t],\n");
  
  		CTL_GET("arenas.nlruns", &nlruns, unsigned);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"nlruns\": %u,\n", nlruns);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"lrun\": [\n");
  		for (i = 0; i < nlruns; i++) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t{\n");
  
  			CTL_M2_GET("arenas.lrun.0.size", i, &sv, size_t);
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t\"size\": %zu\n", sv);
  
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t}%s\n", (i + 1 < nlruns) ? "," : "");
  		}
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t],\n");
  
  		CTL_GET("arenas.nhchunks", &nhchunks, unsigned);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"nhchunks\": %u,\n", nhchunks);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"hchunk\": [\n");
  		for (i = 0; i < nhchunks; i++) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t{\n");
  
  			CTL_M2_GET("arenas.hchunk.0.size", i, &sv, size_t);
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t\t\"size\": %zu\n", sv);
  
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\t\t}%s\n", (i + 1 < nhchunks) ? "," : "");
  		}
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t]\n");
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t}%s\n", (config_prof || more) ? "," : "");
  	}
  
  	/* prof. */
  	if (config_prof && json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\"prof\": {\n");
  
  		CTL_GET("prof.thread_active_init", &bv, bool);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"thread_active_init\": %s,\n", bv ? "true" :
  		    "false");
  
  		CTL_GET("prof.active", &bv, bool);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"active\": %s,\n", bv ? "true" : "false");
  
  		CTL_GET("prof.gdump", &bv, bool);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"gdump\": %s,\n", bv ? "true" : "false");
  
  		CTL_GET("prof.interval", &u64v, uint64_t);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"interval\": %"FMTu64",\n", u64v);
  
  		CTL_GET("prof.lg_sample", &ssv, ssize_t);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"lg_sample\": %zd\n", ssv);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t}%s\n", more ? "," : "");
  	}
  }
  
  static void
  stats_print_helper(void (*write_cb)(void *, const char *), void *cbopaque,
      bool json, bool merged, bool unmerged, bool bins, bool large, bool huge)
  {
  	size_t *cactive;
  	size_t allocated, active, metadata, resident, mapped, retained;
  
  	CTL_GET("stats.cactive", &cactive, size_t *);
  	CTL_GET("stats.allocated", &allocated, size_t);
  	CTL_GET("stats.active", &active, size_t);
  	CTL_GET("stats.metadata", &metadata, size_t);
  	CTL_GET("stats.resident", &resident, size_t);
  	CTL_GET("stats.mapped", &mapped, size_t);
  	CTL_GET("stats.retained", &retained, size_t);
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\"stats\": {\n");
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"cactive\": %zu,\n", atomic_read_z(cactive));
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"allocated\": %zu,\n", allocated);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"active\": %zu,\n", active);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"metadata\": %zu,\n", metadata);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"resident\": %zu,\n", resident);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"mapped\": %zu,\n", mapped);
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t\t\"retained\": %zu\n", retained);
  
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t\t}%s\n", (merged || unmerged) ? "," : "");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "Allocated: %zu, active: %zu, metadata: %zu,"
  		    " resident: %zu, mapped: %zu, retained: %zu\n",
  		    allocated, active, metadata, resident, mapped, retained);
  		malloc_cprintf(write_cb, cbopaque,
  		    "Current active ceiling: %zu\n",
  		    atomic_read_z(cactive));
  	}
  
  	if (merged || unmerged) {
  		unsigned narenas;
  
  		if (json) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t\"stats.arenas\": {\n");
  		}
  
  		CTL_GET("arenas.narenas", &narenas, unsigned);
  		{
  			VARIABLE_ARRAY(bool, initialized, narenas);
  			size_t isz;
  			unsigned i, j, ninitialized;
  
  			isz = sizeof(bool) * narenas;
  			xmallctl("arenas.initialized", (void *)initialized,
  			    &isz, NULL, 0);
  			for (i = ninitialized = 0; i < narenas; i++) {
  				if (initialized[i])
  					ninitialized++;
  			}
  
  			/* Merged stats. */
  			if (merged && (ninitialized > 1 || !unmerged)) {
  				/* Print merged arena stats. */
  				if (json) {
  					malloc_cprintf(write_cb, cbopaque,
  					    "\t\t\t\"merged\": {\n");
  				} else {
  					malloc_cprintf(write_cb, cbopaque,
  					    "\nMerged arenas stats:\n");
  				}
  				stats_arena_print(write_cb, cbopaque, json,
  				    narenas, bins, large, huge);
  				if (json) {
  					malloc_cprintf(write_cb, cbopaque,
  					    "\t\t\t}%s\n", unmerged ?  "," :
  					    "");
  				}
  			}
  
  			/* Unmerged stats. */
  			if (unmerged) {
  				for (i = j = 0; i < narenas; i++) {
  					if (initialized[i]) {
  						if (json) {
  							j++;
  							malloc_cprintf(write_cb,
  							    cbopaque,
  							    "\t\t\t\"%u\": {\n",
  							    i);
  						} else {
  							malloc_cprintf(write_cb,
  							    cbopaque,
  							    "\narenas[%u]:\n",
  							    i);
  						}
  						stats_arena_print(write_cb,
  						    cbopaque, json, i, bins,
  						    large, huge);
  						if (json) {
  							malloc_cprintf(write_cb,
  							    cbopaque,
  							    "\t\t\t}%s\n", (j <
  							    ninitialized) ? ","
  							    : "");
  						}
  					}
  				}
  			}
  		}
  
  		if (json) {
  			malloc_cprintf(write_cb, cbopaque,
  			    "\t\t}\n");
  		}
  	}
  }
  
  void
  stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
      const char *opts)
  {
  	int err;
  	uint64_t epoch;
  	size_t u64sz;
  	bool json = false;
  	bool general = true;
  	bool merged = config_stats;
  	bool unmerged = config_stats;
  	bool bins = true;
  	bool large = true;
  	bool huge = true;
  
  	/*
  	 * Refresh stats, in case mallctl() was called by the application.
  	 *
  	 * Check for OOM here, since refreshing the ctl cache can trigger
  	 * allocation.  In practice, none of the subsequent mallctl()-related
  	 * calls in this function will cause OOM if this one succeeds.
  	 * */
  	epoch = 1;
  	u64sz = sizeof(uint64_t);
  	err = je_mallctl("epoch", (void *)&epoch, &u64sz, (void *)&epoch,
  	    sizeof(uint64_t));
  	if (err != 0) {
  		if (err == EAGAIN) {
  			malloc_write("<jemalloc>: Memory allocation failure in "
  			    "mallctl(\"epoch\", ...)\n");
  			return;
  		}
  		malloc_write("<jemalloc>: Failure in mallctl(\"epoch\", "
  		    "...)\n");
  		abort();
  	}
  
  	if (opts != NULL) {
  		unsigned i;
  
  		for (i = 0; opts[i] != '\0'; i++) {
  			switch (opts[i]) {
  			case 'J':
  				json = true;
  				break;
  			case 'g':
  				general = false;
  				break;
  			case 'm':
  				merged = false;
  				break;
  			case 'a':
  				unmerged = false;
  				break;
  			case 'b':
  				bins = false;
  				break;
  			case 'l':
  				large = false;
  				break;
  			case 'h':
  				huge = false;
  				break;
  			default:;
  			}
  		}
  	}
  
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "{\n"
  		    "\t\"jemalloc\": {\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "___ Begin jemalloc statistics ___\n");
  	}
  
  	if (general) {
  		bool more = (merged || unmerged);
  		stats_general_print(write_cb, cbopaque, json, more);
  	}
  	if (config_stats) {
  		stats_print_helper(write_cb, cbopaque, json, merged, unmerged,
  		    bins, large, huge);
  	}
  	if (json) {
  		malloc_cprintf(write_cb, cbopaque,
  		    "\t}\n"
  		    "}\n");
  	} else {
  		malloc_cprintf(write_cb, cbopaque,
  		    "--- End jemalloc statistics ---\n");
  	}
  }
  