Changeset 150d21a

Timestamp:

Feb 19, 2021, 4:17:45 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

18a75945

Parents:

4c4d854

Message:

Fixed clashing stat counter.

Location:

libcfa/src/concurrency

Files:

• io.cfa (modified) (2 diffs)
• stats.cfa (modified) (4 diffs)
• stats.hfa (modified) (1 diff)

libcfa/src/concurrency/io.cfa

@@ -173 +173 @@
                 __u32 count = tail - head;
                 /* paranoid */ verify( count != 0 );
-                __STATS__( false, io.calls.submitted += count; )
+                __STATS__( false, io.calls.completed += count; )
 
                 for(i; count) {
@@ -233 +233 @@
 
                         __STATS__( false,
-                                io.calls.blocks += 1;
+                                io.poller.sleeps += 1;
                         )
                         __cfadbg_print_safe(io_core, "Kernel I/O : Parking io poller %d (%p)\n", this.fd, &this);

libcfa/src/concurrency/stats.cfa

@@ -38 +38 @@
                         stats->io.calls.blocks      = 0;
                         stats->io.calls.errors.busy = 0;
+                        stats->io.poller.sleeps     = 0;
                 #endif
         }
@@ -71 +72 @@
                         __atomic_fetch_add( &cltr->io.calls.blocks     , proc->io.calls.blocks     , __ATOMIC_SEQ_CST ); proc->io.calls.blocks      = 0;
                         __atomic_fetch_add( &cltr->io.calls.errors.busy, proc->io.calls.errors.busy, __ATOMIC_SEQ_CST ); proc->io.calls.errors.busy = 0;
+                        __atomic_fetch_add( &cltr->io.poller.sleeps    , proc->io.poller.sleeps    , __ATOMIC_SEQ_CST ); proc->io.poller.sleeps     = 0;
                 #endif
         }
@@ -144 +146 @@
                                         "-     blocking calls     : %'15" PRIu64 "\n"
                                         "- io_uring_enter EBUSYs  : %'15" PRIu64 "\n"
+                                        "- poller sleeping        : %'15" PRIu64 "\n"
                                         "\n"
                                         , type,  name, id
@@ -161 +164 @@
                                         , io.calls.blocks
                                         , io.calls.errors.busy
+                                        , io.poller.sleeps
                                 );
                         }

libcfa/src/concurrency/stats.hfa

@@ -88 +88 @@
                                 } errors;
                         } calls;
+                        struct {
+                                volatile uint64_t sleeps;
+                        } poller;
                 };
         #endif