Changeset ec43cf9 for libcfa/src/concurrency/stats.cfa

Timestamp:

Apr 5, 2021, 7:06:37 PM (22 months ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

7039ab9, cd59d28

Parents:

a5a01faa

Message:

Kernel now keeps track of the how many threads each processor has contributed.
This isn't useful if it is not sampled regularly but it's a first step.

File:

• libcfa/src/concurrency/stats.cfa (modified) (4 diffs)

libcfa/src/concurrency/stats.cfa

@@ -23 +23 @@
                 stats->ready.pick.pop .lsuccess = 0;
                 stats->ready.threads.migration = 0;
+                stats->ready.threads.threads   = 0;
                 stats->ready.sleep.halts   = 0;
                 stats->ready.sleep.cancels = 0;
@@ -61 +62 @@
                 __atomic_fetch_add( &cltr->ready.pick.pop .lsuccess, proc->ready.pick.pop .lsuccess, __ATOMIC_SEQ_CST ); proc->ready.pick.pop .lsuccess = 0;
                 __atomic_fetch_add( &cltr->ready.threads.migration , proc->ready.threads.migration , __ATOMIC_SEQ_CST ); proc->ready.threads.migration  = 0;
+                __atomic_fetch_add( &cltr->ready.threads.threads   , proc->ready.threads.threads   , __ATOMIC_SEQ_CST ); proc->ready.threads.threads    = 0;
                 __atomic_fetch_add( &cltr->ready.sleep.halts       , proc->ready.sleep.halts       , __ATOMIC_SEQ_CST ); proc->ready.sleep.halts        = 0;
                 __atomic_fetch_add( &cltr->ready.sleep.cancels     , proc->ready.sleep.cancels     , __ATOMIC_SEQ_CST ); proc->ready.sleep.cancels      = 0;
@@ -97 +99 @@
                         __cfaabi_bits_print_safe( STDOUT_FILENO,
                                 "----- %s \"%s\" (%p) - Ready Q Stats -----\n"
-                                "- total threads  : %'15" PRIu64 "run, %'15" PRIu64 "schd (%'" PRIu64 "ext, %'" PRIu64 "mig )\n"
+                                "- total threads  : %'15" PRIu64 "run, %'15" PRIu64 "schd (%'" PRIu64 "ext, %'" PRIu64 "mig, %'" PRId64 " )\n"
                                 "- push avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
                                 "- ext  avg probe : %'3.2lf, %'3.2lfl (%'15" PRIu64 " attempts, %'15" PRIu64 " locals)\n"
@@ -106 +108 @@
                                 , ready.pick.pop.success
                                 , ready.pick.push.success + ready.pick.ext.success
-                                , ready.pick.ext.success, ready.threads.migration
+                                , ready.pick.ext.success, ready.threads.migration, ready.threads.threads
                                 , push_len, lpush_len, ready.pick.push.attempt, ready.pick.push.local
                                 , ext_len , lext_len , ready.pick.ext .attempt, ready.pick.ext .local