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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:52 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:52 +0000 |
| commit | 3afb00d3f86d3d924f88b56fa8285d4e9db85852 (patch) | |
| tree | 95a985d3019522cea546b7d8df621369bc44fc6c /arch/x86/kernel/cpu/resctrl/monitor.c | |
| parent | Adding debian version 6.9.12-1. (diff) | |
| download | linux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.tar.xz linux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.zip | |
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/monitor.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/monitor.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index 2ce5f4913c..366f496ca3 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -24,6 +24,7 @@ #include <asm/resctrl.h> #include "internal.h" +#include "trace.h" /** * struct rmid_entry - dirty tracking for all RMID. @@ -354,6 +355,16 @@ void __check_limbo(struct rdt_domain *d, bool force_free) rmid_dirty = true; } else { rmid_dirty = (val >= resctrl_rmid_realloc_threshold); + + /* + * x86's CLOSID and RMID are independent numbers, so the entry's + * CLOSID is an empty CLOSID (X86_RESCTRL_EMPTY_CLOSID). On Arm the + * RMID (PMG) extends the CLOSID (PARTID) space with bits that aren't + * used to select the configuration. It is thus necessary to track both + * CLOSID and RMID because there may be dependencies between them + * on some architectures. + */ + trace_mon_llc_occupancy_limbo(entry->closid, entry->rmid, d->id, val); } if (force_free || !rmid_dirty) { |