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author | Matt Stephenson <stephensonmatt@google.com> | 2023-12-12 01:03:37 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2023-12-12 01:03:37 +0000 |
commit | 3fe819c85fc1380a409271b111185b801240803c (patch) | |
tree | 07165b1bc99c6ef94e48d6e14d3dbffa3b9b1be5 | |
parent | 5789f8506ad137a9597faf7f6482d05d41d6a008 (diff) | |
parent | 18578a55d043b66109c4d94a518c3f31536d75e6 (diff) | |
download | lmkd-3fe819c85fc1380a409271b111185b801240803c.tar.gz |
add min score option to PRESSURE_AFTER_KILL am: 18578a55d0
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/2868426
Change-Id: I4784e9fd8ebec9c72ceb7d642ca5aba0ff16dc5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
-rw-r--r-- | README.md | 4 | ||||
-rw-r--r-- | lmkd.cpp | 4 |
2 files changed, 8 insertions, 0 deletions
@@ -88,6 +88,10 @@ properties: - `ro.lmk.psi_complete_stall_ms`: complete PSI stall threshold in milliseconds for triggering critical memory notification. Default = 700 + - `ro.lmk.pressure_after_kill_min_score`: min oom_adj_score score threshold for + cycle after kill used to allow blocking of killing + critical processes when not enough memory was freed + in a kill cycle. Default score = 0. lmkd will set the following Android properties according to current system configurations: @@ -204,6 +204,7 @@ static int64_t downgrade_pressure; static bool low_ram_device; static bool kill_heaviest_task; static unsigned long kill_timeout_ms; +static int pressure_after_kill_min_score; static bool use_minfree_levels; static bool per_app_memcg; static int swap_free_low_percentage; @@ -2769,6 +2770,7 @@ static void mp_event_psi(int data, uint32_t events, struct polling_params *poll_ * This might happen when a process is consuming memory faster than reclaim can * free even after a kill. Mostly happens when running memory stress tests. */ + min_score_adj = pressure_after_kill_min_score; kill_reason = PRESSURE_AFTER_KILL; strncpy(kill_desc, "min watermark is breached even after kill", sizeof(kill_desc)); } else if (level == VMPRESS_LEVEL_CRITICAL && events != 0) { @@ -3771,6 +3773,8 @@ static bool update_props() { low_ram_device = property_get_bool("ro.config.low_ram", false); kill_timeout_ms = (unsigned long)GET_LMK_PROPERTY(int32, "kill_timeout_ms", 100); + pressure_after_kill_min_score = + (unsigned long)GET_LMK_PROPERTY(int32, "pressure_after_kill_min_score", 0); use_minfree_levels = GET_LMK_PROPERTY(bool, "use_minfree_levels", false); per_app_memcg = |