Eli Zaretskii<address@hidden> writes:
You can't really know, in an optimized build. GCC is very good in
collapsing multiple calls to th same function into a single call.
Right. I've now rebuild with -O0, and I get this:
#0 abort () at emacs.c:427
#1 0x0000000000650cc4 in wait_reading_process_output (time_limit=-1,
microsecs=10000, read_kbd=0, do_display=0, wait_for_cell=12552578,
wait_proc=0x1f1c170, just_wait_proc=0) at process.c:4835
#2 0x000000000064f29b in Faccept_process_output (process=0, seconds=27929479,
millisec=40, just_this_one=12552578) at process.c:4188
#3 0x00000000005f7728 in Ffuncall (nargs=4, args=0x7fffffff9d00)
at eval.c:3000
#4 0x0000000000643dff in Fbyte_code (bytestr=22447553, vector=23031829,
maxdepth=28) at bytecode.c:679
#5 0x00000000005f7f9e in funcall_lambda (fun=23033477, nargs=1,
arg_vector=0x7fffffffa178) at eval.c:3174
#6 0x00000000005f78ad in Ffuncall (nargs=2, args=0x7fffffffa170)
at eval.c:3036
#7 0x0000000000643dff in Fbyte_code (bytestr=26821025, vector=26823445,
maxdepth=20) at bytecode.c:679
#8 0x00000000005f7f9e in funcall_lambda (fun=26823813, nargs=1,
arg_vector=0x7fffffffa5d8) at eval.c:3174
#9 0x00000000005f78ad in Ffuncall (nargs=2, args=0x7fffffffa5d0)
at eval.c:3036
#10 0x0000000000643dff in Fbyte_code (bytestr=25621713, vector=26649381,
maxdepth=24) at bytecode.c:679
#11 0x00000000005f62dd in Feval (form=26251318) at eval.c:2358
#12 0x00000000005f440f in internal_lisp_condition_case (var=13455794,
bodyform=26251318, handlers=26635814) at eval.c:1407
#13 0x0000000000644db4 in Fbyte_code (bytestr=25610161, vector=26650277,
maxdepth=32) at bytecode.c:869
#14 0x00000000005f7f9e in funcall_lambda (fun=26650853, nargs=3,
arg_vector=0x7fffffffb098) at eval.c:3174
#15 0x00000000005f78ad in Ffuncall (nargs=4, args=0x7fffffffb090)
at eval.c:3036
#16 0x0000000000643dff in Fbyte_code (bytestr=26419153, vector=26702821,
maxdepth=20) at bytecode.c:679
#17 0x00000000005f7f9e in funcall_lambda (fun=26703125, nargs=0,
arg_vector=0x7fffffffb508) at eval.c:3174
#18 0x00000000005f78ad in Ffuncall (nargs=1, args=0x7fffffffb500)
at eval.c:3036
#19 0x00000000005f6183 in Feval (form=26631350) at eval.c:2324
#20 0x00000000005f440f in internal_lisp_condition_case (var=12552578,
bodyform=26631350, handlers=26631206) at eval.c:1407
#21 0x0000000000644db4 in Fbyte_code (bytestr=25696769, vector=26664709,
maxdepth=16) at bytecode.c:869
#22 0x00000000005f62dd in Feval (form=26632934) at eval.c:2358
#23 0x00000000005f3f22 in internal_catch (tag=26381426, func=0x5f5c9a<Feval>,
arg=26632934) at eval.c:1204
#24 0x0000000000644d13 in Fbyte_code (bytestr=25674961, vector=26664901,
maxdepth=12) at bytecode.c:854
#25 0x00000000005f7f9e in funcall_lambda (fun=26665285, nargs=4,
arg_vector=0x7fffffffc258) at eval.c:3174
#26 0x00000000005f78ad in Ffuncall (nargs=5, args=0x7fffffffc250)
at eval.c:3036
#27 0x0000000000643dff in Fbyte_code (bytestr=26416897, vector=26703253,
maxdepth=20) at bytecode.c:679
#28 0x00000000005f7f9e in funcall_lambda (fun=26703509, nargs=4,
arg_vector=0x7fffffffc6b8) at eval.c:3174
#29 0x00000000005f78ad in Ffuncall (nargs=5, args=0x7fffffffc6b0)
at eval.c:3036
#30 0x0000000000643dff in Fbyte_code (bytestr=24895585, vector=25204309,
maxdepth=20) at bytecode.c:679
#31 0x00000000005f7f9e in funcall_lambda (fun=25204629, nargs=3,
arg_vector=0x7fffffffcb18) at eval.c:3174
#32 0x00000000005f78ad in Ffuncall (nargs=4, args=0x7fffffffcb10)
at eval.c:3036
#33 0x0000000000643dff in Fbyte_code (bytestr=26481233, vector=27489573,
maxdepth=24) at bytecode.c:679
#34 0x00000000005f7f9e in funcall_lambda (fun=27490389, nargs=2,
arg_vector=0x7fffffffcf78) at eval.c:3174
#35 0x00000000005f78ad in Ffuncall (nargs=3, args=0x7fffffffcf70)
at eval.c:3036
#36 0x0000000000643dff in Fbyte_code (bytestr=21560801, vector=26897077,
maxdepth=16) at bytecode.c:679
#37 0x00000000005f7f9e in funcall_lambda (fun=26897845, nargs=2,
arg_vector=0x7fffffffd3c8) at eval.c:3174
#38 0x00000000005f78ad in Ffuncall (nargs=3, args=0x7fffffffd3c0)
at eval.c:3036
#39 0x0000000000643dff in Fbyte_code (bytestr=26149281, vector=26353765,
maxdepth=16) at bytecode.c:679
#40 0x00000000005f7f9e in funcall_lambda (fun=26354197, nargs=1,
arg_vector=0x7fffffffd818) at eval.c:3174
#41 0x00000000005f78ad in Ffuncall (nargs=2, args=0x7fffffffd810)
at eval.c:3036
#42 0x0000000000643dff in Fbyte_code (bytestr=26172961, vector=26355717,
maxdepth=28) at bytecode.c:679
#43 0x00000000005f7f9e in funcall_lambda (fun=26356437, nargs=1,
arg_vector=0x7fffffffdcd8) at eval.c:3174
#44 0x00000000005f78ad in Ffuncall (nargs=2, args=0x7fffffffdcd0)
at eval.c:3036
#45 0x00000000005f1d85 in Fcall_interactively (function=24239010,
record_flag=12552578, keys=12598901) at callint.c:849
#46 0x00000000005f76f5 in Ffuncall (nargs=4, args=0x7fffffffe050)
at eval.c:2996
#47 0x00000000005f70a6 in call3 (fn=12739698, arg1=24239010, arg2=12552578,
arg3=12552578) at eval.c:2820
#48 0x000000000056a320 in Fcommand_execute (cmd=24239010,
record_flag=12552578, keys=12552578, special=12552578) at keyboard.c:10326
#49 0x0000000000558a36 in command_loop_1 () at keyboard.c:1737
#50 0x00000000005f4585 in internal_condition_case (
bfun=0x558220<command_loop_1>, handlers=12604674,
hfun=0x557b28<cmd_error>) at eval.c:1460
#51 0x0000000000557f21 in command_loop_2 (ignore=12552578) at keyboard.c:1338
#52 0x00000000005f3f22 in internal_catch (tag=12600738,
func=0x557efb<command_loop_2>, arg=12552578) at eval.c:1204
#53 0x0000000000557ed4 in command_loop () at keyboard.c:1317
#54 0x000000000055765f in recursive_edit_1 () at keyboard.c:940
#55 0x0000000000557812 in Frecursive_edit () at keyboard.c:1002
#56 0x0000000000555b59 in main (argc=1, argv=0x7fffffffea58) at emacs.c:1712
Lisp Backtrace:
"accept-process-output" (0xffff9d08)
"nnheader-accept-process-output" (0xffffa178)
"nntp-accept-process-output" (0xffffa5d8)
"byte-code" (0xffffa950)
"nntp-send-command-and-decode" (0xffffb098)
0x1977515 PVEC_COMPILED
"funcall" (0xffffb500)
"byte-code" (0xffffbb70)
"nntp-with-open-group-function" (0xffffc258)
"nntp-request-article" (0xffffc6b8)
"gnus-request-article" (0xffffcb18)
"gnus-request-article-this-buffer" (0xffffcf78)
"gnus-article-prepare" (0xffffd3c8)
"gnus-summary-display-article" (0xffffd818)
"gnus-summary-next-article" (0xffffdcd8)
"call-interactively" (0xffffe058)