Could not establish SIFT connection while using benchmark

[imZoet]

I use command: /run-sniper --benchmarks=splash2-fft-test-4 -c gainestown

but raised error. Here is the full record of my issue: 

zoet@zoet-VirtualBox:~/sniper/benchmarks$ ./run-sniper --benchmarks=splash2-fft-test-4 -c gainestown

[app0] [SPLASH] Benchmarks to run: fft

[app0] 

[app0] [SPLASH] [========== Running benchmark fft ==========]

[app0] [SPLASH] Setting up run directory: /tmp/tmpkau98y

[app0] [SPLASH] Running '/home/zoet/sniper/record-trace --routine-tracing -o /tmp/tmpKhdzgv/run_benchmarks -e 1 -r 1 -s 0 --roi -- /home/zoet/sniper/benchmarks/splash2/splash2/codes/kernels/fft/FFT -m10 -p4':

[app0] [SPLASH] [---------- Beginning of output ----------]

[SNIPER] Warning: Unable to use physical addresses for shared memory simulation.

[SNIPER] Start

[SNIPER] --------------------------------------------------------------------------------

[SNIPER] Sniper using SIFT/trace-driven frontend

[SNIPER] Running full application in DETAILED mode

[SNIPER] --------------------------------------------------------------------------------

[SNIPER] Enabling performance models

[SNIPER] Setting instrumentation mode to DETAILED

[RECORD-TRACE] Using the Pin frontend (sift/recorder)

E: Missing application name

Pin: pin-3.7-97619-0d0c92f4f

Copyright (c) 2003-2018, Intel Corporation. All rights reserved.

Usage: pin [OPTION] [-t <tool> [<toolargs>]] -- <command line>

Use -help for a description of options

[SNIPER] WARNING: No SIFT connections made yet. Waiting...

[SNIPER] ERROR: Could not establish SIFT connection, aborting! Check benchmark-app*.log for errors.

[SNIPER] End

[SNIPER] Elapsed time: 60.61 seconds

[宋毓韬]

I have the same question with you,  have you figure out this problem ?

[Trevor E. Carlson]

Hello,

It looks like the --benchmarks run command line option might need to be fixed. Note that using that benchmarks option allows you to specify the number of threads that the application can run irrespective of the number of cores or threads in the hardware. This means that you’ll still need to specify the number of cores using the -n option. Below is the output of a work-around that should get you started for now (./run-sniper -p splash2-fft -i test -n 4 -c gainestown).

You can see what is happening in the error case by looking at the verbose output (adding the -v option). In this case, there seems to be two copies of Pin running, which looks like a run-sniper or record-trace issue. If you could open a GitHub issue on the problem [1], that would be great.

Trevor

[1] https://github.com/snipersim/benchmarks/issues

[root@4cbec7b58193 benchmarks]# ./run-sniper -p splash2-fft -i test -n 4 -c gainestown

[SPLASH] Benchmarks to run: fft

[SPLASH] [========== Running benchmark fft ==========]

[SPLASH] Setting up run directory: /tmp/tmpZaN8vr
[SPLASH] Running 'SNIPER_APP_LD_PRELOAD=$LD_PRELOAD; unset LD_PRELOAD; /root/sniper/run-sniper -n 4 -m 'localhost' -d '/root/benchmarks' -c gainestown --roi --curdir=/root/benchmarks  --  /root/benchmarks/splash2/splash2/codes/kernels/fft/FFT -m10 -p4':

[SPLASH] [---------- Beginning of output ----------]
[SNIPER] Warning: Unable to use physical addresses for shared memory simulation.
[SNIPER] Start
[SNIPER] --------------------------------------------------------------------------------
[SNIPER] Sniper using SIFT/trace-driven frontend

[SNIPER] Running pre-ROI region in  CACHE_ONLY mode
[SNIPER] Running application ROI in DETAILED mode
[SNIPER] Running post-ROI region in FAST_FORWARD mode
[SNIPER] --------------------------------------------------------------------------------

[RECORD-TRACE] Using the Pin frontend (sift/recorder)

FFT with Blocking Transpose
   1024 Complex Doubles
   4 Processors
   65536 Cache lines
   16 Byte line size
   4096 Bytes per page

[HOOKS] Entering ROI

[SNIPER] Enabling performance models
[SNIPER] Setting instrumentation mode to DETAILED

[TRACE:1] -- DONE --
[TRACE:2] -- DONE --
[TRACE:3] -- DONE --
[SNIPER] Disabling performance models
[SNIPER] Leaving ROI after 1.50 seconds
[SNIPER] Simulated 0.4M instructions, 0.9M cycles, 0.39 IPC
[SNIPER] Simulation speed 243.2 KIPS (60.8 KIPS / target core - 16449.8ns/instr)
[SNIPER] Sampling: executed 10.94% of simulated time in detailed mode
[SNIPER] Setting instrumentation mode to FAST_FORWARD
[TRACE:0] -- DONE --
[HOOKS] Leaving ROI

                 PROCESS STATISTICS
            Computation      Transpose     Transpose
 Proc          Time            Time        Fraction
    0                36              3       0.08333

                 TIMING INFORMATION
Start time                        :      -1844408258
Initialization finish time        :      -1844408008
Overall finish time               :      -1844407972
Total time with initialization    :              286
Total time without initialization :               36
Overall transpose time            :                3
Overall transpose fraction        :          0.08333

[SNIPER] End
[SNIPER] Elapsed time: 4.82 seconds
[SPLASH] [----------    End of output    ----------]
[SPLASH] Done.

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