commit db40415e05e39c1f4faa62735f435b031e53af7c
author sergeyv <sergeyv@google.com> Mon May 02 19:26:07 2016 -0700
committer Sergei Vasilinetc <sergeyv@google.com> Tue May 03 16:11:51 2016 +0000
tree 416ff5d4104a98ee60134452338566dd66b29a39
parent 4144eff1e261f6462be3753fc9543d82f9a4fd96

atrace: introduce category for core services

bug: 28200530
Change-Id: Ifc785ba2ed25d6968f4558c2958a705603c39ba5

cmds/atrace/atrace.cpp

diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index e01aa3f..facf300 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -53,6 +53,8 @@
 
 const char* k_traceAppsNumberProperty = "debug.atrace.app_number";
 const char* k_traceAppsPropertyTemplate = "debug.atrace.app_%d";
+const char* k_coreServiceCategory = "core_services";
+const char* k_coreServicesProp = "ro.atrace.core.services";
 
 typedef enum { OPT, REQ } requiredness  ;
 
@@ -100,6 +102,7 @@
     { "pm",         "Package Manager",  ATRACE_TAG_PACKAGE_MANAGER, { } },
     { "ss",         "System Server",    ATRACE_TAG_SYSTEM_SERVER, { } },
     { "database",   "Database",         ATRACE_TAG_DATABASE, { } },
+    { k_coreServiceCategory, "Core services", 0, { } },
     { "sched",      "CPU Scheduling",   0, {
         { REQ,      "/sys/kernel/debug/tracing/events/sched/sched_switch/enable" },
         { REQ,      "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable" },
@@ -331,6 +334,12 @@
 // or /sys/ files.
 static bool isCategorySupported(const TracingCategory& category)
 {
+    if (strcmp(category.name, k_coreServiceCategory) == 0) {
+        char value[PROPERTY_VALUE_MAX];
+        property_get(k_coreServicesProp, value, "");
+        return strlen(value) != 0;
+    }
+
     bool ok = category.tags != 0;
     for (int i = 0; i < MAX_SYS_FILES; i++) {
         const char* path = category.sysfiles[i].path;
@@ -727,7 +736,24 @@
         }
     }
     ok &= setTagsProperty(tags);
-    ok &= setAppCmdlineProperty(g_debugAppCmdLine);
+
+    bool coreServicesTagEnabled = false;
+    for (int i = 0; i < NELEM(k_categories); i++) {
+        if (strcmp(k_categories[i].name, k_coreServiceCategory) == 0) {
+            coreServicesTagEnabled = g_categoryEnables[i];
+        }
+    }
+
+    std::string packageList(g_debugAppCmdLine);
+    if (coreServicesTagEnabled) {
+        char value[PROPERTY_VALUE_MAX];
+        property_get(k_coreServicesProp, value, "");
+        if (!packageList.empty()) {
+            packageList += ",";
+        }
+        packageList += value;
+    }
+    ok &= setAppCmdlineProperty(packageList.data());
     ok &= pokeBinderServices();
 
     // Disable all the sysfs enables.  This is done as a separate loop from