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authorSverker Eriksson <[email protected]>2018-02-20 15:02:15 +0100
committerSverker Eriksson <[email protected]>2018-02-20 17:37:55 +0100
commit4202ce4ef468b33225cab0dfd0ce89b5466654de (patch)
treece569541eaef87fae79c43da672473d211c2c43e /lib/observer
parentcff79c76c3fb574addb5c9364f7c4c7d48a75907 (diff)
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observer: Refactor get_schedulerinfo1
to prepare for dirty schedulers with common run queues
Diffstat (limited to 'lib/observer')
-rw-r--r--lib/observer/src/crashdump_viewer.erl79
1 files changed, 52 insertions, 27 deletions
diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl
index 9605c3ca1d..e209f8e78b 100644
--- a/lib/observer/src/crashdump_viewer.erl
+++ b/lib/observer/src/crashdump_viewer.erl
@@ -2539,56 +2539,81 @@ get_schedulerinfo(Fd,Name,Start) ->
pos_bof(Fd,Start),
get_schedulerinfo1(Fd,#sched{name=Name}).
-get_schedulerinfo1(Fd,Sched=#sched{details=Ds}) ->
+get_schedulerinfo1(Fd, Sched) ->
+ case get_schedulerinfo2(Fd, Sched) of
+ {more, Sched2} ->
+ get_schedulerinfo1(Fd, Sched2);
+ {done, Sched2} ->
+ Sched2
+ end.
+
+get_schedulerinfo2(Fd, Sched=#sched{details=Ds}) ->
case line_head(Fd) of
"Current Process" ->
- get_schedulerinfo1(Fd,Sched#sched{process=bytes(Fd, "None")});
+ {more, Sched#sched{process=bytes(Fd, "None")}};
"Current Port" ->
- get_schedulerinfo1(Fd,Sched#sched{port=bytes(Fd, "None")});
+ {more, Sched#sched{port=bytes(Fd, "None")}};
+
+ "Scheduler Sleep Info Flags" ->
+ {more, Sched#sched{details=Ds#{sleep_info=>bytes(Fd, "None")}}};
+ "Scheduler Sleep Info Aux Work" ->
+ {more, Sched#sched{details=Ds#{sleep_aux=>bytes(Fd, "None")}}};
+
+ "Current Process State" ->
+ {more, Sched#sched{details=Ds#{currp_state=>bytes(Fd)}}};
+ "Current Process Internal State" ->
+ {more, Sched#sched{details=Ds#{currp_int_state=>bytes(Fd)}}};
+ "Current Process Program counter" ->
+ {more, Sched#sched{details=Ds#{currp_prg_cnt=>string(Fd)}}};
+ "Current Process CP" ->
+ {more, Sched#sched{details=Ds#{currp_cp=>string(Fd)}}};
+ "Current Process Limited Stack Trace" ->
+ %% If there shall be last in scheduler information block
+ {done, Sched#sched{details=get_limited_stack(Fd, 0, Ds)}};
+
+ "=" ++ _next_tag ->
+ {done, Sched};
+
+ Other ->
+ case Sched#sched.type of
+ normal ->
+ get_runqueue_info(Fd, Other, Sched);
+ _ ->
+ unexpected(Fd,Other,"dirty scheduler information"),
+ {done, Sched}
+ end
+ end.
+
+get_runqueue_info(Fd, LineHead, Sched=#sched{details=Ds}) ->
+ case LineHead of
"Run Queue Max Length" ->
RQMax = list_to_integer(bytes(Fd)),
RQ = RQMax + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_max=>RQMax}}};
"Run Queue High Length" ->
RQHigh = list_to_integer(bytes(Fd)),
RQ = RQHigh + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_high=>RQHigh}}};
"Run Queue Normal Length" ->
RQNorm = list_to_integer(bytes(Fd)),
RQ = RQNorm + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_norm=>RQNorm}}};
"Run Queue Low Length" ->
RQLow = list_to_integer(bytes(Fd)),
RQ = RQLow + Sched#sched.run_q,
- get_schedulerinfo1(Fd,Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}});
+ {more, Sched#sched{run_q=RQ, details=Ds#{runq_low=>RQLow}}};
"Run Queue Port Length" ->
RQ = list_to_integer(bytes(Fd)),
- get_schedulerinfo1(Fd,Sched#sched{port_q=RQ});
-
- "Scheduler Sleep Info Flags" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_info=>bytes(Fd, "None")}});
- "Scheduler Sleep Info Aux Work" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{sleep_aux=>bytes(Fd, "None")}});
+ {more, Sched#sched{port_q=RQ}};
"Run Queue Flags" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{runq_flags=>bytes(Fd, "None")}});
+ {more, Sched#sched{details=Ds#{runq_flags=>bytes(Fd, "None")}}};
- "Current Process State" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_state=>bytes(Fd)}});
- "Current Process Internal State" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_int_state=>bytes(Fd)}});
- "Current Process Program counter" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_prg_cnt=>string(Fd)}});
- "Current Process CP" ->
- get_schedulerinfo1(Fd,Sched#sched{details=Ds#{currp_cp=>string(Fd)}});
- "Current Process Limited Stack Trace" ->
- %% If there shall be last in scheduler information block
- Sched#sched{details=get_limited_stack(Fd, 0, Ds)};
"=" ++ _next_tag ->
- Sched;
+ {done, Sched};
Other ->
unexpected(Fd,Other,"scheduler information"),
- Sched
+ {done, Sched}
end.
get_limited_stack(Fd, N, Ds) ->