diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Examples/j_calltime_example.txt')
| -rw-r--r-- | cddl/contrib/dtracetoolkit/Examples/j_calltime_example.txt | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Examples/j_calltime_example.txt b/cddl/contrib/dtracetoolkit/Examples/j_calltime_example.txt new file mode 100644 index 0000000..937e06f --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Examples/j_calltime_example.txt @@ -0,0 +1,67 @@ +The following are examples of j_calltime.d. + +This script traces the elapsed time of Java methods and prints a report of the +top ten in each category. This number is configurable with simple edit of +the DTrace script + +Here it traces the example program, Code/Java/Func_abc + +# j_calltime.d +Tracing... Hit Ctrl-C to end. +^C + +Top 10 counts, + PID TYPE NAME COUNT + 311358 method java/lang/String.equals 202 + 311358 method java/lang/Math.min 208 + 311358 method java/lang/String.hashCode 213 + 311358 method java/lang/String.indexOf 302 + 311358 method java/lang/System.arraycopy 360 + 311358 method java/lang/StringBuilder.append 533 + 311358 method java/lang/AbstractStringBuilder.append 549 + 311358 method java/lang/Object.<init> 823 + 311358 method java/lang/String.charAt 1960 + 0 total - 12020 + +Top 10 elapsed times (us), + PID TYPE NAME TOTAL + +Top 10 exclusive method elapsed times (us), + PID TYPE NAME TOTAL + 311358 method java/nio/ByteBuffer.<init> 5430 + 311358 method java/lang/String.charAt 6079 + 311358 method java/lang/String.<init> 7306 + 311358 method java/lang/StringBuilder.append 10240 + 311358 method java/util/StringTokenizer.scanToken 11075 + 311358 method java/net/URL.<clinit> 12519 + 311358 method java/io/UnixFileSystem.normalize 13218 + 311358 method sun/net/www/ParseUtil.decode 14208 + 311358 method java/lang/Thread.sleep 3016374 + 0 total - 3344993 + +Top 10 inclusive method elapsed times (us), + PID TYPE NAME TOTAL + 311358 method sun/misc/Launcher.<clinit> 129120 + 311358 method java/lang/ClassLoader.initSystemClassLoader 129851 + 311358 method java/lang/ClassLoader.getSystemClassLoader 129897 + 311358 method java/lang/ClassLoader.loadClass 267404 + 311358 method java/security/AccessController.doPrivileged 278364 + 311358 method Func_abc.func_c 1009971 + 311358 method Func_abc.func_b 2019995 + 311358 method java/lang/Thread.sleep 3016374 + 311358 method Func_abc.func_a 3027043 + 311358 method Func_abc.main 3027068 + +Counts shows us how many times each different method was called, and how +many methods were called in total. + +The exclusive method elapsed times show the time that each method spent +processing code - while not in other method. + +The inclusive method elapsed times show the time that each method spent +processing code, including the time spent in other calls. + +These elapsed times are the absolute time from when the method began to +when it completed - which includes off-CPU time due to other system events +such as I/O, scheduling, interrupts, etc. + |
