[OSSTEST PATCH 45/60] history reporting (nfc): Provide cache_set_task_print

[Ian Jackson]

This takes a string which gets added to the cache messages.  This
will allow us to distinguish the output from different processes
when using parallel by fork.

Nothing sets this yet.

Signed-off-by: Ian Jackson <ian.jack...@eu.citrix.com>
---
 Osstest/HistoryReport.pm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Osstest/HistoryReport.pm b/Osstest/HistoryReport.pm
index 5d2c83b7..bfbee28c 100644
--- a/Osstest/HistoryReport.pm
+++ b/Osstest/HistoryReport.pm
@@ -29,6 +29,7 @@ BEGIN {
     @ISA         = qw(Exporter);
     @EXPORT      = qw(
                         cache_set_key_cols
+                        cache_set_task_print
                         cache_read_previous
                         cache_row_lookup_prep
                         cacheable_query
@@ -46,6 +47,7 @@ use POSIX;
 
 our @key_cols;
 
+our $taskprint='';
 our %cache;
 our @previous;
 
@@ -91,6 +93,7 @@ our $rows_extra = 0;
 
 
 sub cache_set_key_cols { @key_cols = @_; }
+sub cache_set_task_print ($) { ($taskprint)=@_; $taskprint =~ s/\s*$/ /; }
 
 sub key ($) {
     my ($jr) = @_;
@@ -162,7 +165,7 @@ sub cache_row_lookup_prep ($) {
        $$jrr = $cacherow;
        $rows_hit++;
     } else {
-       print ::DEBUG "CACHE MISS ",
+       print ::DEBUG "CACHE MISS $taskprint",
            (join " ", map { $$jrr->{$_} } @key_cols), "\n";
     }
 }
@@ -209,7 +212,7 @@ sub cache_finish ($$) {
     }
 
     print ::DEBUG
-       "CACHE $what read=$nprevious hits $rows_hit/$rows_today";
+       "CACHE $taskprint$what read=$nprevious hits $rows_hit/$rows_today";
     for my $cachekey (sort keys %q_count) {
        my $total = $q_count{$cachekey};
        my $hits = $total - ($q_misses{$cachekey} // 0);
-- 
2.11.0