Flush JIT traces after ctable resize

snabbco · Mar 15, 2018 · 30b1e6f · 30b1e6f
1 parent d4f8914
commit 30b1e6f
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/apps/ipfix/ipfix.lua b/src/apps/ipfix/ipfix.lua
@@ -154,6 +154,11 @@ function FlowSet:new (template, args)
       key_type = template.key_t,
       value_type = template.value_t,
       max_occupancy_rate = 0.4,
+      resize_callback = function(table, old_size)
+         template.logger:log("resize flow cache "..old_size..
+                                " -> "..table.size)
+         require('jit').flush()
+      end
    }
    if args.cache_size then
       params.initial_size = math.ceil(args.cache_size / 0.4)

diff --git a/src/apps/ipfix/template.lua b/src/apps/ipfix/template.lua
@@ -148,7 +148,8 @@ local function make_template_info(spec)
             record_t = record_t,
             record_ptr_t = ptr_to(record_t),
             swap_fn = gen_swap_fn(),
-            match = pf.compile_filter(spec.filter)
+            match = pf.compile_filter(spec.filter),
+            logger = lib.logger_new({ module = "IPFIX template #"..spec.id })
           }
 end