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Cota" To: qemu-devel@nongnu.org Date: Thu, 25 Oct 2018 13:20:25 -0400 Message-Id: <20181025172057.20414-17-cota@braap.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181025172057.20414-1-cota@braap.org> References: <20181025172057.20414-1-cota@braap.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.111.4.27 Subject: [Qemu-devel] [RFC 16/48] tcg: add plugin_mask to TB hash X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Llu=C3=ADs=20Vilanova?= , Pavel Dovgalyuk , Stefan Hajnoczi Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Emilio G. Cota --- include/exec/exec-all.h | 2 ++ include/exec/tb-hash.h | 6 ++++-- include/exec/tb-lookup.h | 1 + accel/tcg/cpu-exec.c | 6 +++++- accel/tcg/translate-all.c | 6 ++++-- 5 files changed, 16 insertions(+), 5 deletions(-) diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 232e2f8966..a1f60404b6 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -358,6 +358,8 @@ struct TranslationBlock { /* Per-vCPU dynamic tracing state used to generate this TB */ uint32_t trace_vcpu_dstate; =20 + uint32_t plugin_mask; + struct tb_tc tc; =20 /* original tb when cflags has CF_NOCACHE */ diff --git a/include/exec/tb-hash.h b/include/exec/tb-hash.h index 4f3a37d927..37292474b7 100644 --- a/include/exec/tb-hash.h +++ b/include/exec/tb-hash.h @@ -59,9 +59,11 @@ static inline unsigned int tb_jmp_cache_hash_func(target= _ulong pc) =20 static inline uint32_t tb_hash_func(tb_page_addr_t phys_pc, target_ulong pc, uint32_t fl= ags, - uint32_t cf_mask, uint32_t trace_vcpu_dstate) + uint32_t cf_mask, uint32_t trace_vcpu_dstate, + uint32_t plugin_mask) { - return qemu_xxhash7(phys_pc, pc, flags, cf_mask, trace_vcpu_dstate); + return qemu_xxhash8(phys_pc, pc, flags, cf_mask, trace_vcpu_dstate, + plugin_mask); } =20 #endif diff --git a/include/exec/tb-lookup.h b/include/exec/tb-lookup.h index 492cb68289..dd1572f481 100644 --- a/include/exec/tb-lookup.h +++ b/include/exec/tb-lookup.h @@ -33,6 +33,7 @@ tb_lookup__cpu_state(CPUState *cpu, target_ulong *pc, tar= get_ulong *cs_base, tb->cs_base =3D=3D *cs_base && tb->flags =3D=3D *flags && tb->trace_vcpu_dstate =3D=3D *cpu->trace_dstate && + tb->plugin_mask =3D=3D *cpu->plugin_mask && (tb_cflags(tb) & (CF_HASH_MASK | CF_INVALID)) =3D=3D cf_mas= k)) { return tb; } diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index d590f1f6c0..27aa3451da 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -287,6 +287,7 @@ struct tb_desc { uint32_t flags; uint32_t cf_mask; uint32_t trace_vcpu_dstate; + uint32_t plugin_mask; }; =20 static bool tb_lookup_cmp(const void *p, const void *d) @@ -299,6 +300,7 @@ static bool tb_lookup_cmp(const void *p, const void *d) tb->cs_base =3D=3D desc->cs_base && tb->flags =3D=3D desc->flags && tb->trace_vcpu_dstate =3D=3D desc->trace_vcpu_dstate && + tb->plugin_mask =3D=3D desc->plugin_mask && (tb_cflags(tb) & (CF_HASH_MASK | CF_INVALID)) =3D=3D desc->cf_mask= ) { /* check next page if needed */ if (tb->page_addr[1] =3D=3D -1) { @@ -330,13 +332,15 @@ TranslationBlock *tb_htable_lookup(CPUState *cpu, tar= get_ulong pc, desc.flags =3D flags; desc.cf_mask =3D cf_mask; desc.trace_vcpu_dstate =3D *cpu->trace_dstate; + desc.plugin_mask =3D *cpu->plugin_mask; desc.pc =3D pc; phys_pc =3D get_page_addr_code(desc.env, pc); if (phys_pc =3D=3D -1) { return NULL; } desc.phys_page1 =3D phys_pc & TARGET_PAGE_MASK; - h =3D tb_hash_func(phys_pc, pc, flags, cf_mask, *cpu->trace_dstate); + h =3D tb_hash_func(phys_pc, pc, flags, cf_mask, *cpu->trace_dstate, + *cpu->plugin_mask); return qht_lookup_custom(&tb_ctx.htable, &desc, h, tb_lookup_cmp); } =20 diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index db2d28f8d3..3423cf74db 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1129,6 +1129,7 @@ static bool tb_cmp(const void *ap, const void *bp) a->flags =3D=3D b->flags && (tb_cflags(a) & CF_HASH_MASK) =3D=3D (tb_cflags(b) & CF_HASH_MASK)= && a->trace_vcpu_dstate =3D=3D b->trace_vcpu_dstate && + a->plugin_mask =3D=3D b->plugin_mask && a->page_addr[0] =3D=3D b->page_addr[0] && a->page_addr[1] =3D=3D b->page_addr[1]; } @@ -1444,7 +1445,7 @@ static void do_tb_phys_invalidate(TranslationBlock *t= b, bool rm_from_page_list) /* remove the TB from the hash list */ phys_pc =3D tb->page_addr[0] + (tb->pc & ~TARGET_PAGE_MASK); h =3D tb_hash_func(phys_pc, tb->pc, tb->flags, tb_cflags(tb) & CF_HASH= _MASK, - tb->trace_vcpu_dstate); + tb->trace_vcpu_dstate, tb->plugin_mask); if (!(tb->cflags & CF_NOCACHE) && !qht_remove(&tb_ctx.htable, tb, h)) { return; @@ -1640,7 +1641,7 @@ tb_link_page(TranslationBlock *tb, tb_page_addr_t phy= s_pc, =20 /* add in the hash table */ h =3D tb_hash_func(phys_pc, tb->pc, tb->flags, tb->cflags & CF_HAS= H_MASK, - tb->trace_vcpu_dstate); + tb->trace_vcpu_dstate, tb->plugin_mask); qht_insert(&tb_ctx.htable, tb, h, &existing_tb); =20 /* remove TB from the page(s) if we couldn't insert it */ @@ -1712,6 +1713,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu, tb->cflags =3D cflags; tb->trace_vcpu_dstate =3D *cpu->trace_dstate; tcg_ctx->tb_cflags =3D cflags; + tb->plugin_mask =3D *cpu->plugin_mask; =20 #ifdef CONFIG_PROFILER /* includes aborted translations because of exceptions */ --=20 2.17.1