diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/doc/src/erts_alloc.xml | 14 | ||||
| -rw-r--r-- | erts/etc/unix/etp-commands.in | 146 |
2 files changed, 150 insertions, 10 deletions
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index c9eca39a99..1ade41f1aa 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -4,7 +4,7 @@ <cref> <header> <copyright> - <year>2002</year><year>2013</year> + <year>2002</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -531,15 +531,9 @@ <p>Multiple, thread specific instances of the allocator. This option will only have any effect on the runtime system with SMP support. Default behaviour on the runtime system with - SMP support:</p> - <taglist> - <tag><c>ll_alloc</c></tag> - <item><c>1</c> instance.</item> - <tag>Other allocators</tag> - <item><c>NoSchedulers+1</c> instances. Each scheduler will use - a lock-free instance of its own and other threads will use - a common instance.</item> - </taglist> + SMP support is <c>NoSchedulers+1</c> instances. Each scheduler will use + a lock-free instance of its own and other threads will use + a common instance.</p> <p>It was previously (before ERTS version 5.9) possible to configure a smaller amount of thread specific instances than schedulers. This is, however, not possible any more.</p> diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index 6042a5c6f2..1b27ac97a5 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -2842,6 +2842,152 @@ document etp-search-alloc end +define etp-alloc-stats + printf "\nIx Name Inst. Blocks Bytes Carriers Crr.bytes Util\n" + set $etp_tot_block_no = 0 + set $etp_tot_block_sz = 0 + set $etp_tot_crr_no = 0 + set $etp_tot_crr_sz = 0 + set $etp_ERTS_ALC_A_MIN = 1 + set $etp_ERTS_ALC_A_MAX = (sizeof(erts_allctrs) / sizeof(*erts_allctrs)) - 1 + + set $etp_ix = $etp_ERTS_ALC_A_MIN + while $etp_ix <= $etp_ERTS_ALC_A_MAX + set $etp_allctr = 0 + set $etp_alloc = erts_allctrs[$etp_ix].alloc + if $etp_alloc != erts_sys_alloc + if $etp_alloc == erts_alcu_alloc_thr_spec || \ + $etp_alloc == erts_alcu_alloc_thr_pref + set $etp_instance = 0 + set $etp_block_no = 0 + set $etp_block_sz = 0 + set $etp_crr_no = 0 + set $etp_crr_sz = 0 + set $etp_tspec = (ErtsAllocatorThrSpec_t *) erts_allctrs[$etp_ix].extra + if $etp_tspec->enabled + while $etp_instance < $etp_tspec->size + set $etp_allctr = $etp_tspec->allctr[$etp_instance] + set $etp_block_no = $etp_block_no + $etp_allctr->mbcs.blocks.curr.no \ + + $etp_allctr->sbcs.blocks.curr.no + set $etp_block_sz = $etp_block_sz + $etp_allctr->mbcs.blocks.curr.size \ + + $etp_allctr->sbcs.blocks.curr.size + set $etp_crr_no = $etp_crr_no + $etp_allctr->mbcs.curr.norm.mseg.no \ + + $etp_allctr->sbcs.curr.norm.mseg.no \ + + $etp_allctr->mbcs.curr.norm.sys_alloc.no \ + + $etp_allctr->sbcs.curr.norm.sys_alloc.no + set $etp_crr_sz = $etp_crr_sz + $etp_allctr->mbcs.curr.norm.mseg.size \ + + $etp_allctr->sbcs.curr.norm.mseg.size \ + + $etp_allctr->mbcs.curr.norm.sys_alloc.size \ + + $etp_allctr->sbcs.curr.norm.sys_alloc.size + set $etp_instance = $etp_instance + 1 + end + else + printf "erts_allctr[%d]: Disabled (thread specific)\n", $etp_ix + end + else + if $etp_alloc == erts_alcu_alloc_ts || $etp_alloc == erts_alcu_alloc + set $etp_allctr = (Allctr_t*) erts_allctrs[$etp_ix].extra + set $etp_block_no = $etp_allctr->mbcs.blocks.curr.no \ + + $etp_allctr->sbcs.blocks.curr.no + set $etp_block_sz = $etp_allctr->mbcs.blocks.curr.size \ + + $etp_allctr->sbcs.blocks.curr.size + set $etp_crr_no = $etp_allctr->mbcs.curr.norm.mseg.no \ + + $etp_allctr->sbcs.curr.norm.mseg.no \ + + $etp_allctr->mbcs.curr.norm.sys_alloc.no \ + + $etp_allctr->sbcs.curr.norm.sys_alloc.no + set $etp_crr_sz = $etp_allctr->mbcs.curr.norm.mseg.size \ + + $etp_allctr->sbcs.curr.norm.mseg.size \ + + $etp_allctr->mbcs.curr.norm.sys_alloc.size \ + + $etp_allctr->sbcs.curr.norm.sys_alloc.size + set $etp_instance = 1 + else + printf "erts_allctr[%d]: Unknown allocation function: ", $etp_ix + p $etp_alloc + end + end + end + if $etp_allctr != 0 + printf "%2d %-8s%2d%12lu%13lu%12lu%13lu", $etp_ix, $etp_allctr->name_prefix, \ + $etp_instance, \ + $etp_block_no, $etp_block_sz, $etp_crr_no, $etp_crr_sz + if $etp_crr_sz != 0 + printf "%5lu%%", ($etp_block_sz * 100) / $etp_crr_sz + end + printf "\n" + set $etp_tot_block_no = $etp_tot_block_no + $etp_block_no + set $etp_tot_block_sz = $etp_tot_block_sz + $etp_block_sz + set $etp_tot_crr_no = $etp_tot_crr_no + $etp_crr_no + set $etp_tot_crr_sz = $etp_tot_crr_sz + $etp_crr_sz + end + set $etp_ix = $etp_ix + 1 + end + printf "\nTotal: %12lu%13lu%12lu%13lu", $etp_tot_block_no, $etp_tot_block_sz, \ + $etp_tot_crr_no, $etp_tot_crr_sz + if $etp_tot_crr_sz != 0 + printf "%5lu%%", ($etp_tot_block_sz * 100) / $etp_tot_crr_sz + end + printf "\n" +end + +document etp-alloc-stats +%--------------------------------------------------------------------------- +% etp-alloc-stats +% +% Combine and print allocator statistics +%--------------------------------------------------------------------------- +end + + +define etp-alloc-instances + set $etp_ERTS_ALC_A_MIN = 1 + set $etp_ERTS_ALC_A_MAX = (sizeof(erts_allctrs) / sizeof(*erts_allctrs)) - 1 + + set $etp_ix = $arg0 + if $etp_ix >= $etp_ERTS_ALC_A_MIN && $etp_ix <= $etp_ERTS_ALC_A_MAX + set $etp_allctr = 0 + set $etp_alloc = erts_allctrs[$etp_ix].alloc + if $etp_alloc == erts_sys_alloc + printf "Allocator %d is sys_alloc\n", $etp_ix + else + if $etp_alloc == erts_alcu_alloc_thr_spec || \ + $etp_alloc == erts_alcu_alloc_thr_pref + set $etp_instance = 0 + set $etp_tspec = (ErtsAllocatorThrSpec_t *) erts_allctrs[$etp_ix].extra + if $etp_tspec->enabled + printf "All instances for allocator '%s'\n", $etp_tspec->allctr[0]->name_prefix + while $etp_instance < $etp_tspec->size + p $etp_tspec->allctr[$etp_instance] + set $etp_instance = $etp_instance + 1 + end + else + printf "erts_allctr[%d]: Disabled (thread specific)\n", $etp_ix + end + else + if $etp_alloc == erts_alcu_alloc_ts || $etp_alloc == erts_alcu_alloc + set $etp_allctr = (Allctr_t*) erts_allctrs[$etp_ix].extra + printf "Single instances for allocator '%s'\n", $etp_allctr->name_prefix + p $etp_allctr + else + printf "erts_allctr[%d]: Unknown allocation function: ", $etp_ix + p $etp_alloc + end + end + end + else + printf "Allocator type not between %d and %d\n", $etp_ERTS_ALC_A_MIN, $etp_ERTS_ALC_A_MAX + end +end + +document etp-alloc-instances +%--------------------------------------------------------------------------- +% etp-alloc-instances +% +% Print pointers to all allocator instances for a specific type (Ix) +%--------------------------------------------------------------------------- +end + + + define etp-overlapped-heaps # Args: |