1 files changed, 31 insertions, 0 deletions
diff --git a/adb/adb.c b/adb/adb.c
index 4c3364f..8be5765 100644
--- a/adb/adb.c
+++ b/adb/adb.c
@@ -983,6 +983,33 @@ void start_device_log(void)
 #endif
 
 #if ADB_HOST
+
+#ifdef WORKAROUND_BUG6558362
+#include <sched.h>
+#define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362"
+void adb_set_affinity(void)
+{
+   cpu_set_t cpu_set;
+   const char* cpunum_str = getenv(AFFINITY_ENVVAR);
+   char* strtol_res;
+   int cpu_num;
+
+   if (!cpunum_str || !*cpunum_str)
+       return;
+   cpu_num = strtol(cpunum_str, &strtol_res, 0);
+   if (*strtol_res != '\0')
+     fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR);
+
+   sched_getaffinity(0, sizeof(cpu_set), &cpu_set);
+   D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]);
+   CPU_ZERO(&cpu_set);
+   CPU_SET(cpu_num, &cpu_set);
+   sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
+   sched_getaffinity(0, sizeof(cpu_set), &cpu_set);
+   D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]);
+}
+#endif
+
 int launch_server(int server_port)
 {
 #ifdef HAVE_WIN32_PROC
@@ -1186,6 +1213,10 @@ int adb_main(int is_daemon, int server_port)
 
 #if ADB_HOST
     HOST = 1;
+
+#ifdef WORKAROUND_BUG6558362
+    if(is_daemon) adb_set_affinity();
+#endif
     usb_vendors_init();
     usb_init();
     local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);