--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/sample/dtrace/hotspot/method_compile_stat.d Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,274 @@
+#!/usr/sbin/dtrace -Zs
+/*
+ * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of Sun Microsystems nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+*/
+
+/*
+ * Usage:
+ * 1. method_compile_stat.d -c "java ..." TOP_RESULTS_COUNT INTERVAL_SECS
+ * 2. method_compile_stat.d -p JAVA_PID TOP_RESULTS_COUNT INTERVAL_SECS
+ *
+ * This script prints statistics about TOP_RESULTS_COUNT (default is 25)
+ * methods with largest/smallest compilation time every INTERVAL_SECS
+ * (default is 60) seconds.
+ *
+ */
+
+#pragma D option quiet
+#pragma D option destructive
+#pragma D option defaultargs
+#pragma D option aggrate=100ms
+
+
+self char *str_ptr;
+self string class_name;
+self string method_name;
+self string signature;
+
+int INTERVAL_SECS;
+
+:::BEGIN
+{
+ SAMPLE_NAME = "hotspot methods compilation tracing";
+
+ TOP_RESULTS_COUNT = $1 ? $1 : 25;
+ INTERVAL_SECS = $2 ? $2 : 60;
+
+ COMPILED_METHODS_COUNT = 0;
+ LOADED_METHODS_CNT = 0;
+ UNLOADED_METHODS_CNT = 0;
+
+ SAMPLING_TIME = timestamp + INTERVAL_SECS * 1000000000ull;
+
+ LINE_SEP =
+ "------------------------------------------------------------------------";
+
+ printf("BEGIN %s\n\n", SAMPLE_NAME);
+}
+
+/*
+ * hotspot:::method-compile-begin
+ * arg0: char*, a pointer to mUTF-8 string containing the name of
+ * the compiler
+ * arg1: uintptr_t, the length of the compiler name (in bytes)
+ * arg2: char*, a pointer to mUTF-8 string containing the class name of
+ * the method being compiled
+ * arg3: uintptr_t, the length of the class name (in bytes)
+ * arg4: char*, a pointer to mUTF-8 string containing the method name of
+ * the method being compiled
+ * arg5: uintptr_t, the length of the method name (in bytes)
+ * arg6: char*, a pointer to mUTF-8 string containing the signature of
+ * the method being compiled
+ * arg7: uintptr_t, the length of the signature(in bytes)
+ */
+hotspot$target:::method-compile-begin
+{
+ /*compiler_name, len, class_name, len, method_name, len, signature, len*/
+
+ self->str_ptr = (char*) copyin(arg0, arg1+1);
+ self->str_ptr[arg1] = '\0';
+ compiler_name = (string) self->str_ptr;
+
+ self->str_ptr = (char*) copyin(arg2, arg3+1);
+ self->str_ptr[arg3] = '\0';
+ self->class_name = (string) self->str_ptr;
+
+ self->str_ptr = (char*) copyin(arg4, arg5+1);
+ self->str_ptr[arg5] = '\0';
+ self->method_name = (string) self->str_ptr;
+
+ self->str_ptr = (char*) copyin(arg6, arg7+1);
+ self->str_ptr[arg7] = '\0';
+ self->signature = (string) self->str_ptr;
+
+ self->ts[self->class_name, self->method_name, self->signature] = timestamp;
+}
+
+/*
+ * hotspot:::method-compile-end
+ * arg0: char*, a pointer to mUTF-8 string containing the name of
+ * the compiler
+ * arg1: uintptr_t, the length of the compiler name (in bytes)
+ * arg2: char*, a pointer to mUTF-8 string containing the class name of
+ * the method being compiled
+ * arg3: uintptr_t, the length of the class name (in bytes)
+ * arg4: char*, a pointer to mUTF-8 string containing the method name of
+ * the method being compiled
+ * arg5: uintptr_t, the length of the method name (in bytes)
+ * arg6: char*, a pointer to mUTF-8 string containing the signature of
+ * the method being compiled
+ * arg7: uintptr_t, the length of the signature(in bytes)
+ * arg8: uintptr_t, boolean value which indicates if method
+ * has been compiled successfuly
+ */
+hotspot$target:::method-compile-end
+{
+ /* compiler_name, len, class_name, len, method_name, len,
+ signature, len, isSuccess */
+
+ self->str_ptr = (char*) copyin(arg0, arg1+1);
+ self->str_ptr[arg1] = '\0';
+ compiler_name = (string) self->str_ptr;
+
+ self->str_ptr = (char*) copyin(arg2, arg3+1);
+ self->str_ptr[arg3] = '\0';
+ self->class_name = (string) self->str_ptr;
+
+ self->str_ptr = (char*) copyin(arg4, arg5+1);
+ self->str_ptr[arg5] = '\0';
+ self->method_name = (string) self->str_ptr;
+
+ self->str_ptr = (char*) copyin(arg6, arg7+1);
+ self->str_ptr[arg7] = '\0';
+ self->signature = (string) self->str_ptr;
+}
+
+/*
+ * Method was successfuly compiled
+ */
+hotspot$target:::method-compile-end
+/arg8 && self->ts[self->class_name, self->method_name, self->signature]/
+{
+ /* compiler_name, len, class_name, len, method_name, len,
+ signature, len, isSuccess */
+
+ COMPILED_METHODS_COUNT++;
+
+ @compile_time_top[self->class_name, self->method_name, self->signature] =
+ avg((timestamp -
+ self->ts[self->class_name, self->method_name, self->signature]) / 1000);
+
+ @compile_time_last[self->class_name, self->method_name, self->signature] =
+ avg((timestamp -
+ self->ts[self->class_name, self->method_name, self->signature]) / 1000);
+
+ self->ts[self->class_name, self->method_name, self->signature] = 0;
+}
+
+/*
+ * Method compilation was failed
+ */
+hotspot$target:::method-compile-end
+/arg8 != 1 && self->ts[self->class_name, self->method_name, self->signature]/
+{
+ /* compiler_name, len, class_name, len, method_name, len,
+ signature, len, isSuccess */
+
+ @fail_compile_count[self->class_name,
+ self->method_name, self->signature] = count();
+}
+
+hotspot$target:::compiled-method-load
+{
+ /* class_name, len, method_name, len, signature, len, code_address, size */
+
+ LOADED_METHODS_CNT ++;
+}
+
+hotspot$target:::compiled-method-unload
+{
+ /* class_name, len, method_name, len, signature, len, code_address, size */
+
+ UNLOADED_METHODS_CNT ++;
+}
+
+
+tick-1sec
+/timestamp > SAMPLING_TIME/
+{
+ trunc(@compile_time_top, TOP_RESULTS_COUNT);
+ trunc(@compile_time_last, -TOP_RESULTS_COUNT);
+
+ printf("\n");
+ printf("%s\n", LINE_SEP);
+ printf("%Y\n", walltimestamp);
+ printf("%s\n", LINE_SEP);
+
+ printf(
+ "\nTop %d methods with largest compilation time (in milleseconds):\n",
+ TOP_RESULTS_COUNT);
+ printa("%10@d %s::%s%s\n", @compile_time_top);
+
+ printf(
+ "\nTop %d methods with smallest compilation time (in milleseconds):\n",
+ TOP_RESULTS_COUNT);
+ printa("%10@d %s::%s%s\n", @compile_time_last);
+
+ printf("\n");
+ printf("Compiled methods: %10d\n", COMPILED_METHODS_COUNT);
+ printf("Loaded compiled methods: %10d\n", LOADED_METHODS_CNT);
+ printf("Unoaded compiled methods: %10d\n", UNLOADED_METHODS_CNT);
+
+ printf("\nFailed compilation:\n");
+ printa("%10@d %s::%s%s\n", @fail_compile_count);
+
+ SAMPLING_TIME = timestamp + INTERVAL_SECS * 1000000000ull;
+}
+
+:::END
+{
+ trunc(@compile_time_top, TOP_RESULTS_COUNT);
+ trunc(@compile_time_last, -TOP_RESULTS_COUNT);
+
+ printf("\n");
+ printf("%s\n", LINE_SEP);
+ printf("%Y\n", walltimestamp);
+ printf("%s\n", LINE_SEP);
+
+ printf(
+ "\nTop %d methods with largest compilation time (in milleseconds):\n",
+ TOP_RESULTS_COUNT);
+ printa("%10@d %s::%s%s\n", @compile_time_top);
+
+ printf(
+ "\nTop %d methods with smallest compilation time (in milleseconds):\n",
+ TOP_RESULTS_COUNT);
+ printa("%10@d %s::%s%s\n", @compile_time_last);
+
+ printf("\n");
+ printf("Compiled methods: %10d\n", COMPILED_METHODS_COUNT);
+ printf("Loaded compiled methods: %10d\n", LOADED_METHODS_CNT);
+ printf("Unoaded compiled methods: %10d\n", UNLOADED_METHODS_CNT);
+
+ printf("\nFailed compilations:\n");
+ printa("%10@d %s::%s%s\n", @fail_compile_count);
+
+ printf("\nEND of %s\n", SAMPLE_NAME);
+}
+
+syscall::rexit:entry,
+syscall::exit:entry
+/pid == $target/
+{
+ exit(0);
+}