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| author | Rickard Green <[email protected]> | 2017-02-12 23:25:39 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2017-04-18 12:40:03 +0200 |
| commit | cfd009221d53d2f19dfa2852962f48b85b34d485 (patch) | |
| tree | 12ba62dfff1f7e323fb5d8cae2948adc48ccc460 /erts/etc | |
| parent | 25e9f3abd395c26eccb7962acc47dffe90beec81 (diff) | |
| download | otp-cfd009221d53d2f19dfa2852962f48b85b34d485.tar.gz otp-cfd009221d53d2f19dfa2852962f48b85b34d485.tar.bz2 otp-cfd009221d53d2f19dfa2852962f48b85b34d485.zip | |
Minimum timeout position in each timer wheel
Minimum known timeout position is saved in bot far and near
wheel. This information is used to avoid scanning from current
position in the cases were we know the minimum timeout position.
Diffstat (limited to 'erts/etc')
| -rw-r--r-- | erts/etc/unix/etp-commands.in | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in index c689d495e6..643cfbf323 100644 --- a/erts/etc/unix/etp-commands.in +++ b/erts/etc/unix/etp-commands.in @@ -2871,6 +2871,81 @@ define etp-disasm end end +############################################################################ +# +# Timer Wheel +# + +define etp-timer-wheel +# Args: TimerWheel + if (!erts_initialized) + printf "System not initialized!\n" + else + set $tiw = $arg0 + printf "Number of timers: %d\n", $tiw->nto + printf "Min timeout pos: %d\n", $tiw->next_timeout_pos + printf "\n--- Soon Wheel ---\n" + set $ix = $tiw->pos & etp_tw_soon_wheel_mask + printf "Position: %ld (%d)\n", $tiw->pos, $ix + printf "Min timeout position: %ld (%d)\n", $tiw->soon.min_tpos, $tiw->soon.min_tpos & etp_tw_soon_wheel_mask + printf "Number of timers: %d\n", $tiw->soon.nto + set $slots = etp_tw_soon_wheel_size + while $slots > 0 + set $tmr = $tiw->w[$ix] + if ($tmr != (ErtsTWheelTimer *) 0x0) + printf "---\n" + printf "Slot: %d\n", $ix + printf "\n" + while 1 + printf "- Timeout pos: %ld\n", $tmr->timeout_pos + printf " Pointer: (ErtsTWheelTimer *) %p\n", $tmr + set $tmr = $tmr->next + if ($tmr == $tiw->w[$ix]) + loop_break + end + end + end + set $ix++ + if ($ix == (etp_tw_soon_wheel_first_slot + etp_tw_soon_wheel_size)) + set $ix = etp_tw_soon_wheel_first_slot + end + set $slots-- + end + printf "\n--- Later Wheel ---\n" + set $ix = (($tiw->later.pos >> etp_tw_later_wheel_shift) & etp_tw_later_wheel_mask) + etp_tw_later_wheel_first_slot + printf "Position: %ld (%d)\n", $tiw->later.pos, $ix + printf "Min timeout position: %ld (%d)\n", $tiw->later.min_tpos, (($tiw->later.min_tpos >> etp_tw_later_wheel_shift) & etp_tw_later_wheel_mask) + etp_tw_later_wheel_first_slot + printf "Number of timers: %d\n", $tiw->later.nto + set $slots = etp_tw_later_wheel_size + set $slot_pos = $tiw->later.pos + while $slots > 0 + set $tmr = $tiw->w[$ix] + if ($tmr != (ErtsTWheelTimer *) 0x0) + printf "---\n" + printf "Slot: %d\n", $ix + printf "Slot Range: [%ld, %ld]\n", $slot_pos, $slot_pos + etp_tw_later_wheel_slot_size + printf "Pre timeout pos: %ld\n", $slot_pos - etp_tw_later_wheel_slot_size + printf "\n" + while 1 + printf "- Timeout pos: %ld\n", $tmr->timeout_pos + printf " Pointer: (ErtsTWheelTimer *) %p\n", $tmr + set $tmr = $tmr->next + if ($tmr == $tiw->w[$ix]) + loop_break + end + end + end + set $ix++ + if ($ix == (etp_tw_later_wheel_first_slot + etp_tw_later_wheel_size)) + set $ix = etp_tw_later_wheel_first_slot + end + set $slot_pos = $slot_pos + etp_tw_later_wheel_slot_size + set $slots-- + end + end + printf "---\n" +end + document etp-disasm %--------------------------------------------------------------------------- % etp-disasm StartI EndI |