File 0876-erts-Fix-LTTng-allocation-statistics.patch of Package erlang

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File 0876-erts-Fix-LTTng-allocation-statistics.patch of Package erlang (Revision 865d2e25c8b9e0a1b23f89d693ffd991)

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From c0c144ee10dd2190e8bb3aed3291003e5bd5190e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Thu, 26 Mar 2020 08:11:33 +0100
Subject: [PATCH] erts: Fix LTTng allocation statistics

This broke when refactoring carrier statistics to allow
cross-carrier migration.
---
 erts/emulator/beam/erl_alloc_util.h | 34 ++++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 7dba7286e3..732a4c7886 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -517,14 +517,32 @@ typedef struct {
 } CarriersStats_t;
 
 #ifdef USE_LTTNG_VM_TRACEPOINTS
-#define LTTNG_CARRIER_STATS_TO_LTTNG_STATS(CSP, LSP)            \
-    do {                                                        \
-        (LSP)->carriers.size = (CSP)->curr.norm.mseg.size       \
-                             + (CSP)->curr.norm.sys_alloc.size; \
-        (LSP)->carriers.no   = (CSP)->curr.norm.mseg.no         \
-                             + (CSP)->curr.norm.sys_alloc.no;   \
-        (LSP)->blocks.size   = (CSP)->blocks.curr.size;         \
-        (LSP)->blocks.no     = (CSP)->blocks.curr.no;           \
+#define LTTNG_CARRIER_STATS_TO_LTTNG_STATS(CSP, LSP)                         \
+    do {                                                                     \
+        UWord no_sum__, size_sum__;                                          \
+        int alloc_no__, i__;                                                 \
+        /* Carrier counters */                                               \
+        no_sum__ = size_sum__ = 0;                                           \
+        for (i__ = ERTS_CRR_ALLOC_MIN; i__ <= ERTS_CRR_ALLOC_MAX; i__++) {   \
+            StatValues_t *curr__ = &((CSP)->carriers[i__]);                  \
+            no_sum__ += curr__->no;                                          \
+            size_sum__ += curr__->size;                                      \
+        }                                                                    \
+        (LSP)->carriers.size = size_sum__;                                   \
+        (LSP)->carriers.no   = no_sum__;                                     \
+        /* Block counters */                                                 \
+        no_sum__ = size_sum__ = 0;                                           \
+        for (alloc_no__ = ERTS_ALC_A_MIN;                                    \
+             alloc_no__ <= ERTS_ALC_A_MAX;                                   \
+             alloc_no__++) {                                                 \
+            StatValues_t *curr__;                                            \
+            i__ = alloc_no__ - ERTS_ALC_A_MIN;                               \
+            curr__ = &((CSP)->blocks[i__].curr);                             \
+            no_sum__ += curr__->no;                                          \
+            size_sum__ += curr__->size;                                      \
+        }                                                                    \
+        (LSP)->blocks.size   = size_sum__;                                   \
+        (LSP)->blocks.no     = no_sum__;                                     \
     } while (0)
 #endif
 
-- 
2.16.4

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File 0876-erts-Fix-LTTng-allocation-statistics.patch of Package erlang (Revision 865d2e25c8b9e0a1b23f89d693ffd991)

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