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/external/bcc/tools/
Dfunccount_example.txt1 Demonstrations of funccount, the Linux eBPF/bcc version.
8 # ./funccount 'vfs_*'
35 # ./funccount 'tcp_*'
172 # ./funccount -p 1442 /home/ubuntu/contentions:*
185 # ./funccount -p 1442 contentions:*
190 # ./funccount -r 'c:(write|read)$'
202 # ./funccount t:block:*
216 # ./funccount u:pthread:*mutex* -p 1442
229 # ./funccount -i 1 'vfs_*'
272 # ./funccount -i 1 -d 5 vfs_read
[all …]
Dfunccount.py4 # funccount Count functions, tracepoints, and USDT probes.
7 # USAGE: funccount [-h] [-p PID] [-i INTERVAL] [-d DURATION] [-T] [-r] pattern
216 ./funccount 'vfs_*' # count kernel fns starting with "vfs"
217 ./funccount -r '^vfs.*' # same as above, using regular expressions
218 ./funccount -Ti 5 'vfs_*' # output every 5 seconds, with timestamps
219 ./funccount -d 10 'vfs_*' # trace for 10 seconds only
220 ./funccount -p 185 'vfs_*' # count vfs calls for PID 181 only
221 ./funccount t:sched:sched_fork # count calls to the sched_fork tracepoint
222 ./funccount -p 185 u:node:gc* # count all GC USDT probes in node, PID 185
223 ./funccount c:malloc # count all malloc() calls in libc
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Dreset-trace_example.txt50 # ./funccount 'bash:r*'
105 I've traced 317 functions using funccount, and when I hit Ctrl-C, funccount is
113 10:00:34 PM 0 27980 87.25 10.78 0.00 98.04 3 funccount.py
118 10:00:35 PM 0 27980 77.00 23.00 0.00 100.00 3 funccount.py
122 funccount looks a lot like it's in an infinite loop (I can use a stack-sampling
Dtcptop_example.txt42 than the packet rate. You can measure the rate of these using funccount.
Dcachestat.py7 # Taken from funccount by Brendan Gregg
/external/bcc/man/man8/
Dfunccount.81 .TH funccount 8 "2015-08-18" "USER COMMANDS"
3 funccount \- Count function, tracepoint, and USDT probe calls matching a pattern. Uses Linux eBPF/b…
5 .B funccount [\-h] [\-p PID] [\-i INTERVAL] [\-d DURATION] [\-T] [\-r] [\-D] pattern
45 .B funccount 'vfs_*'
49 .B funccount 'tcp_send*'
53 .B funccount \-i 1 'vfs_*'
57 .B funccount \-d 10 'vfs_*'
61 .B funccount \-r '^vfs_.*'
65 .B funccount \-p 181 'vfs_*'
69 .B funccount t:sched:sched_fork
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Dfuncslower.8108 called (and estimate the overhead), use the funccount tool, e.g.:
110 # funccount c:open
125 funccount(8), funclatency(8), argdist(8), trace(8)
Dfileslower.888 instrumented events using the bcc funccount tool, eg:
90 # ./funccount.py -i 1 -r '^__vfs_(read|write)$'
114 biosnoop(8), funccount(8)
Dfunclatency.8118 environment and understand overheads before use. You can also use funccount
135 funccount(8)
Dstackcount.8127 also use funccount to get a handle on function call rates first.
142 stacksnoop(8), funccount(8)
Dkillsnoop.883 opensnoop(8), funccount(8)
Dtcpaccept.886 tcpconnect(8), funccount(8), tcpdump(8)
Dtcpconnect.8111 tcpaccept(8), funccount(8), tcpdump(8)
Dtcpconnlat.8109 tcpconnect(8), tcpaccept(8), funccount(8), tcpdump(8)
Dtcptop.890 use funccount to count the kprobes in the tool to find out this rate, as the
Dopensnoop.8144 funccount(1)
Dsyscount.8110 funccount(8), ucalls(8), argdist(8), trace(8), funclatency(8)
Dext4slower.8113 biosnoop(8), funccount(8), fileslower(8)
Dxfsslower.8113 biosnoop(8), funccount(8), fileslower(8)
Dzfsslower.8116 biosnoop(8), funccount(8), fileslower(8)
Dnfsslower.8122 biosnoop(8), funccount(8), fileslower(8)
Dbtrfsslower.8115 btrfsdist(8), biosnoop(8), funccount(8), fileslower(8)
/external/apache-xml/src/main/java/org/apache/xpath/functions/
DFuncCount.java19 * $Id: FuncCount.java 468655 2006-10-28 07:12:06Z minchau $
32 public class FuncCount extends FunctionOneArg class
/external/bcc/snapcraft/
Dsnapcraft.yaml118 funccount:
119 command: usr/share/bcc/tools/funccount
/external/bcc/examples/tracing/
Dstacksnoop_example.txt23 funccount.

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