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| author | Christophe Lombard <clombard@linux.vnet.ibm.com> | 2020-11-25 18:50:13 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-03 17:01:30 +0300 |
| commit | 98f5559a439a68e0773f42352f7c0806cac9e76e (patch) | |
| tree | 11ee7ceb5735115af4e05c9d62599bfe5643af00 /drivers/misc/ocxl/link.c | |
| parent | 5f686eea4b3cb1d311f02b81ce4264e66a21d979 (diff) | |
| download | linux-98f5559a439a68e0773f42352f7c0806cac9e76e.tar.xz | |
ocxl: Add new kernel traces
Add specific kernel traces which provide information on mmu notifier and on
pages range.
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201125155013.39955-6-clombard@linux.vnet.ibm.com
Diffstat (limited to 'drivers/misc/ocxl/link.c')
| -rw-r--r-- | drivers/misc/ocxl/link.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c index 129d4eddc4d2..ab039c115381 100644 --- a/drivers/misc/ocxl/link.c +++ b/drivers/misc/ocxl/link.c @@ -499,6 +499,7 @@ static void invalidate_range(struct mmu_notifier *mn, unsigned long addr, pid, page_size = PAGE_SIZE; pid = mm->context.id; + trace_ocxl_mmu_notifier_range(start, end, pid); spin_lock(&link->atsd_lock); for (addr = start; addr < end; addr += page_size) @@ -590,6 +591,7 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 pidr, u32 tidr, /* Use MMIO registers for the TLB Invalidate * operations. */ + trace_ocxl_init_mmu_notifier(pasid, mm->context.id); mmu_notifier_register(&pe_data->mmu_notifier, mm); } } @@ -725,6 +727,8 @@ int ocxl_link_remove_pe(void *link_handle, int pasid) } else { if (pe_data->mm) { if (link->arva) { + trace_ocxl_release_mmu_notifier(pasid, + pe_data->mm->context.id); mmu_notifier_unregister(&pe_data->mmu_notifier, pe_data->mm); spin_lock(&link->atsd_lock); |