51 lines
1.4 KiB
Perl
51 lines
1.4 KiB
Perl
########################################################################
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--histogram tests
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########################################################################
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$ cat >$CRAMTMP/histogram.lua <<EOF
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> local ffi = require("ffi")
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> ffi.cdef[[
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> int usleep(unsigned int);
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> ]]
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> function event()
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> if (sysbench.tid == 0) then
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> ffi.C.usleep(1000000)
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> else
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> ffi.C.usleep(2000000)
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> end
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> end
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> EOF
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$ sysbench --histogram $CRAMTMP/histogram.lua --events=2 --threads=2 run
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sysbench * (glob)
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Running the test with following options:
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Number of threads: 2
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Initializing random number generator from current time
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Initializing worker threads...
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Threads started!
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Latency histogram (values are in milliseconds)
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value ------------- distribution ------------- count
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* |\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 1 (glob)
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* |\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* 1 (glob)
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General statistics:
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total time: *s (glob)
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total number of events: 2
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Latency (ms):
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min: *.* (glob)
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avg: *.* (glob)
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max: *.* (glob)
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95th percentile: *.* (glob)
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sum: *.* (glob)
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Threads fairness:
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events (avg/stddev): 1.0000/0.00
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execution time (avg/stddev): */* (glob)
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