Changeset f2b18d01

Timestamp:

Jun 26, 2020, 1:08:36 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

359d12d

Parents:

ec21f13

Message:

First version of tools to view halts

Files:

• libcfa/src/concurrency/kernel.cfa (modified) (4 diffs)
• tools/perf/process_halts.sh (added)
• tools/perf/view_halts.py (added)

libcfa/src/concurrency/kernel.cfa

@@ -323 +323 @@
         if(this != mainProcessor) {
                 this->id = doregister((__processor_id_t*)this);
+                #if !defined(__CFA_NO_STATISTICS__)
+                        if( this->print_halts ) {
+                                __cfaabi_bits_print_safe( STDOUT_FILENO, "Processor : %d - %s (%p)\n", this->id, this->name, (void*)this);
+                        }
+                #endif
+
                 // Lock the RWlock so no-one pushes/pops while we are changing the queue
                 uint_fast32_t last_size = ready_mutate_lock();
@@ -1019 +1025 @@
         #if !defined(__CFA_NO_STATISTICS__)
                 if(this->print_halts) {
-                        printf("%d - %lld 0\n", this->id, rdtscl());
+                        __cfaabi_bits_print_safe( STDOUT_FILENO, "PH:%d - %lld 0\n", this->id, rdtscl());
                 }
         #endif
@@ -1027 +1033 @@
         #if !defined(__CFA_NO_STATISTICS__)
                 if(this->print_halts) {
-                        printf("%d - %lld 1\n", this->id, rdtscl());
+                        __cfaabi_bits_print_safe( STDOUT_FILENO, "PH:%d - %lld 1\n", this->id, rdtscl());
                 }
         #endif
@@ -1221 +1227 @@
         void print_halts( processor & this ) {
                 this.print_halts = true;
-                printf("Processor : %d - %s (%p)\n", this.id, this.name, (void*)&this);
         }
 #endif