From c0c6f6b137e91f626157389733d1510c192002cf Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Thu, 31 Jan 2019 11:48:45 +0100
Subject: erts: Expand etp to look for free processes
---
erts/etc/unix/etp-commands.in | 92 ++++++++++++++++++++++++++++++++++++-------
1 file changed, 77 insertions(+), 15 deletions(-)
(limited to 'erts/etc')
diff --git a/erts/etc/unix/etp-commands.in b/erts/etc/unix/etp-commands.in
index 131e967816..2237553113 100644
--- a/erts/etc/unix/etp-commands.in
+++ b/erts/etc/unix/etp-commands.in
@@ -1789,7 +1789,7 @@ define etp-pix2proc
# Args: Eterm
#
set $proc = (Process *) *((UWord *) &erts_proc.r.o.tab[((int) $arg0)])
- printf "(Process *) %p\n", $proc
+ printf "(Process*)%p\n", $proc
end
define etp-pid2proc-1
@@ -1803,7 +1803,7 @@ define etp-pid2proc
# Args: Eterm
#
etp-pid2proc-1 $arg0
- printf "(Process *) %p\n", $proc
+ printf "(Process*)%p\n", $proc
end
define etp-proc-state-int
@@ -2083,7 +2083,7 @@ define etp-process-info-int
printf "\n Flags: "
etp-proc-flags $etp_proc
if $proxy_process != 0
- printf " Pointer: (Process *) %p\n", $etp_proc
+ printf " Pointer: (Process*)%p\n", $etp_proc
printf " *** PROXY process struct *** refer to: \n"
etp-pid2proc-1 $etp_proc->common.id
etp-process-info $proc
@@ -2133,7 +2133,7 @@ define etp-process-info-int
end
printf " Parent: "
etp-1 ((Eterm)($etp_proc->parent))
- printf "\n Pointer: (Process *) %p\n", $etp_proc
+ printf "\n Pointer: (Process*)%p\n", $etp_proc
end
if ($arg1)
etp-sigqs $etp_proc
@@ -2156,6 +2156,43 @@ document etp-process-info
%---------------------------------------------------------------------------
end
+define etp-processes-free-runq-int
+ set $runq_prio = 0
+ while $runq_prio < 3
+ set $runq_proc = ($arg0)->procs.prio[$runq_prio].first
+ while $runq_proc != 0
+ if $runq_proc->state.counter & 0x400
+ printf "---\n"
+ printf " Pix: FREE -> run_queue %p\n", ($arg0)
+ etp-process-info-int $runq_proc ($arg1)
+ end
+ set $runq_proc = $runq_proc->next
+ end
+ set $runq_prio++
+ end
+end
+
+define etp-processes-free-de-int
+ set $de_ix = 0
+ while $de_ix < ($arg1)
+ set $de = ($arg0)+$de_ix
+ set $susp = $de->suspended
+ set $susp_curr = $susp
+ set $first_loop = 1
+ while $susp_curr != 0 && (($susp_curr != $susp) || $first_loop)
+ if ($susp_curr->u.pid & 0x3) == 0
+ printf "---\n"
+ printf " Pix: FREE "
+ etp $de->sysname
+ etp-process-info-int $susp_curr->u.pid ($arg2)
+ end
+ set $first_loop = 0
+ set $susp_curr = $susp_curr->next
+ end
+ set $de_ix++
+ end
+end
+
define etp-processes-int
if (!erts_initialized)
printf "No processes, since system isn't initialized!\n"
@@ -2167,7 +2204,7 @@ define etp-processes-int
set $invalid_proc = &erts_invalid_process
set $proc_decentile = $proc_max_ix / 10
set $proc_printile = $proc_decentile
- while $proc_ix < $proc_max_ix && $proc_cnt >= 0
+ while $proc_ix < $proc_max_ix && $proc_cnt > 0
set $proc = (Process *) *((UWord *) ($proc_tab + $proc_ix))
if ($proc != ((Process *) 0) && $proc != $invalid_proc)
printf "---\n"
@@ -2176,11 +2213,36 @@ define etp-processes-int
set $proc_cnt--
end
if $proc_ix == $proc_printile
- printf "--- %d%% (%d / %d) searched\n", $proc_printile / $proc_decentile * 10, $proc_ix, $proc_max_ix
+ printf "--- %d%% (%d / %d) searched, looking for %d more\n", $proc_printile / $proc_decentile * 10, $proc_ix, $proc_max_ix, $proc_cnt
set $proc_printile += $proc_decentile
end
set $proc_ix++
end
+
+ ## We should also check for any FREE processes that are running
+ ## They can be found in esdp->current_process, dep->suspendees and
+ ## runq. Running FREE processes are processes that either are yielding
+ ## when exiting or running on a dirty scheduler while having exited.
+ set $sched_ix = 0
+ while $sched_ix < erts_no_schedulers
+ set $sched_data = &erts_aligned_scheduler_data[$sched_ix].esd
+ if $sched_data->current_process != 0
+ if $sched_data->current_process.state.counter & 0x400
+ printf "---\n"
+ printf " Pix: FREE -> scheduler %d\n", $sched_ix+1
+ etp-process-info-int $sched_data->current_process ($arg0)
+ end
+ end
+ etp-processes-free-runq-int $sched_data->run_queue ($arg0)
+ set $sched_ix++
+ end
+ etp-processes-free-runq-int &erts_aligned_run_queues[erts_no_run_queues].runq ($arg0)
+ etp-processes-free-runq-int &erts_aligned_run_queues[erts_no_run_queues+1].runq ($arg0)
+ etp-processes-free-de-int erts_hidden_dist_entries erts_no_of_hidden_dist_entries ($arg0)
+ etp-processes-free-de-int erts_visible_dist_entries erts_no_of_visible_dist_entries ($arg0)
+ etp-processes-free-de-int erts_pending_dist_entries erts_no_of_pending_dist_entries ($arg0)
+ etp-processes-free-de-int erts_not_connected_dist_entries erts_no_of_not_connected_dist_entries ($arg0)
+ etp-processes-free-de-int erts_this_dist_entry 1 ($arg0)
printf "---\n",
end
end
@@ -2237,9 +2299,9 @@ define etp-process-memory-info
end
printf " "
etp-1 $etp_pmem_proc->common.id
- printf ": (Process *) %p ", $etp_pmem_proc
+ printf ": (Process*)%p ", $etp_pmem_proc
if $proxy_process != 0
- printf "(Process *) %p ", $etp_pmem_proc
+ printf "(Process*)%p ", $etp_pmem_proc
printf " *** PROXY process struct *** refer to next: \n"
etp-pid2proc-1 $etp_pmem_proc->common.id
printf " -"
@@ -2313,7 +2375,7 @@ define etp-pix2port
# Args: Eterm
#
set $port = (Port *) *((UWord *) &erts_port.r.o.tab[((int) $arg0)])
- printf "(Port *) %p\n", $port
+ printf "(Port*)%p\n", $port
end
define etp-id2port-1
@@ -2327,7 +2389,7 @@ define etp-id2port
# Args: Eterm
#
etp-id2port-1 $arg0
- printf "(Port *) %p\n", $port
+ printf "(Port*)%p\n", $port
end
define etp-port-sched-flags-int
@@ -2501,7 +2563,7 @@ define etp-port-info
printf " Connected: "
set $connected = *(((Eterm *) &(((Port *) $etp_pinfo_port)->connected)))
etp-1 $connected
- printf "\n Pointer: (Port *) %p\n", $etp_pinfo_port
+ printf "\n Pointer: (Port*)%p\n", $etp_pinfo_port
end
document etp-port-info
@@ -2851,7 +2913,7 @@ define etp-scheduler-info-internal
printf " Sleep Info Flags:"
set $ssi_flags = *((Uint32 *) &$sched_data->ssi->flags)
etp-ssi-flags $ssi_flags
- printf " Pointer: (ErtsSchedulerData *) %p\n", $sched_data
+ printf " Pointer: (ErtsSchedulerData*)%p\n", $sched_data
end
define etp-run-queue-info-internal
@@ -2884,7 +2946,7 @@ define etp-run-queue-info-internal
end
set $rq_flags = *((Uint32 *) &($runq->flags))
etp-rq-flags-int $rq_flags
- printf " Pointer: (ErtsRunQueue *) %p\n", $runq
+ printf " Pointer: (ErtsRunQueue*)%p\n", $runq
end
define etp-fds
@@ -2961,7 +3023,7 @@ define etp-timer-wheel
printf "\n"
while 1
printf "- Timeout pos: %ld\n", $tmr->timeout_pos
- printf " Pointer: (ErtsTWheelTimer *) %p\n", $tmr
+ printf " Pointer: (ErtsTWheelTimer*)%p\n", $tmr
set $tmr = $tmr->next
if ($tmr == $tiw->w[$ix])
loop_break
@@ -2991,7 +3053,7 @@ define etp-timer-wheel
printf "\n"
while 1
printf "- Timeout pos: %ld\n", $tmr->timeout_pos
- printf " Pointer: (ErtsTWheelTimer *) %p\n", $tmr
+ printf " Pointer: (ErtsTWheelTimer*)%p\n", $tmr
set $tmr = $tmr->next
if ($tmr == $tiw->w[$ix])
loop_break
--
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