Changeset abcae55 for libcfa/src/concurrency

Timestamp:

Sep 23, 2021, 12:29:35 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, master, pthread-emulation, qualifiedEnum

Children:

420b498

Parents:

ec421636

Message:

Removed last_cpu (and small spacing changes)

Location:

libcfa/src/concurrency

Files:

• invoke.h (modified) (1 diff)
• kernel.cfa (modified) (2 diffs)
• kernel/startup.cfa (modified) (1 diff)
• thread.cfa (modified) (1 diff)

libcfa/src/concurrency/invoke.h

@@ -170 +170 @@
                 bool corctx_flag;
 
-                int last_cpu;
-
                 //SKULLDUGGERY errno is not save in the thread data structure because returnToKernel appears to be the only function to require saving and restoring it
 

libcfa/src/concurrency/kernel.cfa

@@ -341 +341 @@
                                 }
 
-                                        __STATS( if(this->print_halts) __cfaabi_bits_print_safe( STDOUT_FILENO, "PH:%d - %lld 0\n", this->unique_id, rdtscl()); )
+                                __STATS( if(this->print_halts) __cfaabi_bits_print_safe( STDOUT_FILENO, "PH:%d - %lld 0\n", this->unique_id, rdtscl()); )
                                 __cfadbg_print_safe(runtime_core, "Kernel : core %p waiting on eventfd %d\n", this, this->idle);
 
@@ -423 +423 @@
         __builtin_prefetch( thrd_dst->context.SP );
 
-        int curr = __kernel_getcpu();
-        if(thrd_dst->last_cpu != curr) {
-                int64_t l = thrd_dst->last_cpu;
-                int64_t c = curr;
-                int64_t v = (l << 32) | c;
-                __push_stat( __tls_stats(), v, false, "Processor", this );
-        }
-
-        thrd_dst->last_cpu = curr;
-
         __cfadbg_print_safe(runtime_core, "Kernel : core %p running thread %p (%s)\n", this, thrd_dst, thrd_dst->self_cor.name);
 

libcfa/src/concurrency/kernel/startup.cfa

@@ -235 +235 @@
 
         register_tls( mainProcessor );
-        mainThread->last_cpu = __kernel_getcpu();
 
         //initialize the global state variables

libcfa/src/concurrency/thread.cfa

@@ -34 +34 @@
         preempted = __NO_PREEMPTION;
         corctx_flag = false;
-        disable_interrupts();
-        last_cpu = __kernel_getcpu();
-        enable_interrupts();
         curr_cor = &self_cor;
         self_mon.owner = &this;