1 /**************************************************************************
3 * Copyright 2010-2011 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
33 #include <sys/types.h>
36 #include <sys/system_properties.h>
40 #include "os_string.hpp"
54 proc_name = os::getProcessName();
55 proc_name.trimDirectory();
57 return strcmp(proc_name, "app_process") == 0;
61 getZygoteProcessName(void)
64 size_t size = PATH_MAX;
65 char *buf = path.buf(size);
68 int fd = open("/proc/self/cmdline", O_RDONLY);
71 len = read(fd, buf, size - 1);
79 isTracingEnabled(void)
81 static pid_t cached_pid;
86 if (cached_pid == pid)
90 if (!isZygoteProcess()) {
91 os::log("apitrace[%d]: enabled for standalone %s",
92 pid, (const char *)os::getProcessName());
97 char target_proc_name[PROP_VALUE_MAX] = "";
100 proc_name = getZygoteProcessName();
101 proc_name.trimDirectory();
103 __system_property_get("debug.apitrace.procname", target_proc_name);
104 enabled = !strcmp(target_proc_name, proc_name);
105 os::log("apitrace[%d]: %s for %s",
106 pid, enabled ? "enabled" : "disabled", (const char *)proc_name);
114 } /* namespace trace */